diff --git a/Jenkinsfile b/Jenkinsfile
index 6d81a56..5a9d85a 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,3 +1,24 @@
+// Copyright (c) 2018 by Paderborn University
+// (manuel@peuster.de)
+// ALL RIGHTS RESERVED.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Neither the name of the OSM, Paderborn University
+// nor the names of its contributors may be used to endorse or promote
+// products derived from this software without specific prior written
+// permission.
+
 properties([
     parameters([
         string(defaultValue: env.BRANCH_NAME, description: '', name: 'GERRIT_BRANCH'),
diff --git a/examples/services/hackfest_1_nsd.tar.gz b/examples/services/hackfest_1_nsd.tar.gz
index ca13889..7e2b2dd 100644
--- a/examples/services/hackfest_1_nsd.tar.gz
+++ b/examples/services/hackfest_1_nsd.tar.gz
Binary files differ
diff --git a/examples/services/hackfest_1_nsd/icons/osm.png b/examples/services/hackfest_1_nsd/icons/osm.png
deleted file mode 100644
index 62012d2..0000000
--- a/examples/services/hackfest_1_nsd/icons/osm.png
+++ /dev/null
Binary files differ
diff --git a/examples/services/hackfest_2_nsd.tar.gz b/examples/services/hackfest_2_nsd.tar.gz
index 9170de9..2bba135 100644
--- a/examples/services/hackfest_2_nsd.tar.gz
+++ b/examples/services/hackfest_2_nsd.tar.gz
Binary files differ
diff --git a/examples/services/hackfest_2_nsd/icons/osm.png b/examples/services/hackfest_2_nsd/icons/osm.png
deleted file mode 100644
index 62012d2..0000000
--- a/examples/services/hackfest_2_nsd/icons/osm.png
+++ /dev/null
Binary files differ
diff --git a/examples/services/pingpong_nsd.tar.gz b/examples/services/pingpong_nsd.tar.gz
index e5d9202..db00a93 100644
--- a/examples/services/pingpong_nsd.tar.gz
+++ b/examples/services/pingpong_nsd.tar.gz
Binary files differ
diff --git a/examples/vnfs/hackfest_1_vnfd.tar.gz b/examples/vnfs/hackfest_1_vnfd.tar.gz
index 622634e..f0c8004 100644
--- a/examples/vnfs/hackfest_1_vnfd.tar.gz
+++ b/examples/vnfs/hackfest_1_vnfd.tar.gz
Binary files differ
diff --git a/examples/vnfs/hackfest_1_vnfd/icons/osm.png b/examples/vnfs/hackfest_1_vnfd/icons/osm.png
deleted file mode 100644
index 62012d2..0000000
--- a/examples/vnfs/hackfest_1_vnfd/icons/osm.png
+++ /dev/null
Binary files differ
diff --git a/examples/vnfs/hackfest_2_vnfd.tar.gz b/examples/vnfs/hackfest_2_vnfd.tar.gz
index c4d5037..c0cf0ed 100644
--- a/examples/vnfs/hackfest_2_vnfd.tar.gz
+++ b/examples/vnfs/hackfest_2_vnfd.tar.gz
Binary files differ
diff --git a/examples/vnfs/hackfest_2_vnfd/icons/osm.png b/examples/vnfs/hackfest_2_vnfd/icons/osm.png
deleted file mode 100644
index 62012d2..0000000
--- a/examples/vnfs/hackfest_2_vnfd/icons/osm.png
+++ /dev/null
Binary files differ
diff --git a/examples/vnfs/ping.tar.gz b/examples/vnfs/ping.tar.gz
index c19270b..d8a023c 100644
--- a/examples/vnfs/ping.tar.gz
+++ b/examples/vnfs/ping.tar.gz
Binary files differ
diff --git a/examples/vnfs/pong.tar.gz b/examples/vnfs/pong.tar.gz
index 085c00a..087c64d 100644
--- a/examples/vnfs/pong.tar.gz
+++ b/examples/vnfs/pong.tar.gz
Binary files differ
diff --git a/misc/eu.5gtango.emulator-example-service.0.1.tgo b/misc/eu.5gtango.emulator-example-service.0.1.tgo
index a879139..36bfa4f 100644
--- a/misc/eu.5gtango.emulator-example-service.0.1.tgo
+++ b/misc/eu.5gtango.emulator-example-service.0.1.tgo
Binary files differ
diff --git a/misc/sonata-demo-service.son b/misc/sonata-demo-service.son
deleted file mode 100755
index 934fcd7..0000000
--- a/misc/sonata-demo-service.son
+++ /dev/null
Binary files differ
diff --git a/misc/tango-demo-service-project/project.yml b/misc/tango-demo-service-project/project.yml
index 9c53a0f..a1b1bc9 100755
--- a/misc/tango-demo-service-project/project.yml
+++ b/misc/tango-demo-service-project/project.yml
@@ -1,3 +1,24 @@
+# Copyright (c) 2018 by Paderborn University
+# (manuel@peuster.de)
+# ALL RIGHTS RESERVED.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Neither the name of the OSM, Paderborn University
+# nor the names of its contributors may be used to endorse or promote
+# products derived from this software without specific prior written
+# permission.
+---
 descriptor_extension: yml
 version: '0.5'
 files:
diff --git a/misc/tango-demo-service-project/tango_default-vnf0.yml b/misc/tango-demo-service-project/tango_default-vnf0.yml
index b08bb10..7a9e4c4 100755
--- a/misc/tango-demo-service-project/tango_default-vnf0.yml
+++ b/misc/tango-demo-service-project/tango_default-vnf0.yml
@@ -1,3 +1,24 @@
+# Copyright (c) 2018 by Paderborn University
+# (manuel@peuster.de)
+# ALL RIGHTS RESERVED.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Neither the name of the OSM, Paderborn University
+# nor the names of its contributors may be used to endorse or promote
+# products derived from this software without specific prior written
+# permission.
+---
 descriptor_schema: >-
   https://raw.githubusercontent.com/sonata-nfv/tng-schema/master/function-descriptor/vnfd-schema.yml
 vendor: eu.5gtango
diff --git a/misc/tango-demo-service-project/tango_default-vnf1.yml b/misc/tango-demo-service-project/tango_default-vnf1.yml
index 7bcecb6..b5ed4c5 100755
--- a/misc/tango-demo-service-project/tango_default-vnf1.yml
+++ b/misc/tango-demo-service-project/tango_default-vnf1.yml
@@ -1,3 +1,24 @@
+# Copyright (c) 2018 by Paderborn University
+# (manuel@peuster.de)
+# ALL RIGHTS RESERVED.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Neither the name of the OSM, Paderborn University
+# nor the names of its contributors may be used to endorse or promote
+# products derived from this software without specific prior written
+# permission.
+---
 descriptor_schema: >-
   https://raw.githubusercontent.com/sonata-nfv/tng-schema/master/function-descriptor/vnfd-schema.yml
 vendor: eu.5gtango
diff --git a/misc/tango-demo-service-project/tango_emulator_example.yml b/misc/tango-demo-service-project/tango_emulator_example.yml
index 43f2220..21f029f 100755
--- a/misc/tango-demo-service-project/tango_emulator_example.yml
+++ b/misc/tango-demo-service-project/tango_emulator_example.yml
@@ -1,3 +1,24 @@
+# Copyright (c) 2018 by Paderborn University
+# (manuel@peuster.de)
+# ALL RIGHTS RESERVED.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Neither the name of the OSM, Paderborn University
+# nor the names of its contributors may be used to endorse or promote
+# products derived from this software without specific prior written
+# permission.
+---
 descriptor_schema: >-
   https://raw.githubusercontent.com/sonata-nfv/tng-schema/master/service-descriptor/nsd-schema.yml
 vendor: eu.5gtango
diff --git a/pytest.ini b/pytest.ini
index 137eee5..4dbf692 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -1,3 +1,23 @@
+; Copyright (c) 2018 by Paderborn University
+; (manuel@peuster.de)
+; ALL RIGHTS RESERVED.
+;
+; Licensed under the Apache License, Version 2.0 (the "License");
+; you may not use this file except in compliance with the License.
+; You may obtain a copy of the License at
+;
+;     http://www.apache.org/licenses/LICENSE-2.0
+;
+; Unless required by applicable law or agreed to in writing, software
+; distributed under the License is distributed on an "AS IS" BASIS,
+; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+; See the License for the specific language governing permissions and
+; limitations under the License.
+;
+; Neither the name of the OSM, Paderborn University
+; nor the names of its contributors may be used to endorse or promote
+; products derived from this software without specific prior written
+; permission.
 [pytest]
 addopts = --ignore devops
 log_level = DEBUG
diff --git a/src/emuvim/test/unittests/test_sonata_dummy_gatekeeper.py b/src/emuvim/test/unittests/test_sonata_dummy_gatekeeper.py
deleted file mode 100755
index cb18c57..0000000
--- a/src/emuvim/test/unittests/test_sonata_dummy_gatekeeper.py
+++ /dev/null
@@ -1,276 +0,0 @@
-# Copyright (c) 2015 SONATA-NFV and Paderborn University
-# ALL RIGHTS RESERVED.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-# Neither the name of the SONATA-NFV, Paderborn University
-# nor the names of its contributors may be used to endorse or promote
-# products derived from this software without specific prior written
-# permission.
-#
-# This work has been performed in the framework of the SONATA project,
-# funded by the European Commission under Grant number 671517 through
-# the Horizon 2020 and 5G-PPP programmes. The authors would like to
-# acknowledge the contributions of their colleagues of the SONATA
-# partner consortium (www.sonata-nfv.eu).
-import time
-import requests
-import json
-import unittest
-from emuvim.test.base import SimpleTestTopology
-from emuvim.api.sonata import SonataDummyGatekeeperEndpoint
-from emuvim.api.sonata.dummygatekeeper import initialize_GK, parse_interface
-from ipaddress import ip_network
-
-PACKAGE_PATH = "misc/sonata-demo-service.son"
-
-
-class testSonataDummyGatekeeper(SimpleTestTopology):
-
-    #    @unittest.skip("disabled")
-    def test_GK_Api_start_service(self):
-        # create network
-        self.createNet(nswitches=0, ndatacenter=2, nhosts=2,
-                       ndockers=0, enable_learning=True)
-        # setup links
-        self.net.addLink(self.dc[0], self.h[0])
-        self.net.addLink(self.dc[0], self.dc[1])
-        self.net.addLink(self.h[1], self.dc[1])
-        # connect dummy GK to data centers
-        sdkg1 = SonataDummyGatekeeperEndpoint("127.0.0.1", 55000)
-        sdkg1.connectDatacenter(self.dc[0])
-        sdkg1.connectDatacenter(self.dc[1])
-        # run the dummy gatekeeper (in another thread, don't block)
-        sdkg1.start()
-        time.sleep(3)
-        # start Mininet network
-        self.startNet()
-        time.sleep(3)
-
-        print "starting tests"
-        # board package
-        files = {"package": open(PACKAGE_PATH, "rb")}
-        r = requests.post("http://127.0.0.1:55000/packages", files=files)
-        self.assertEqual(r.status_code, 201)
-        self.assertTrue(json.loads(r.text).get("service_uuid") is not None)
-
-        # instantiate service
-        self.service_uuid = json.loads(r.text).get("service_uuid")
-        r2 = requests.post("http://127.0.0.1:55000/instantiations",
-                           data=json.dumps({"service_uuid": self.service_uuid}))
-        self.assertEqual(r2.status_code, 201)
-
-        # give the emulator some time to instantiate everything
-        time.sleep(2)
-
-        # check get request APIs
-        r3 = requests.get("http://127.0.0.1:55000/packages")
-        self.assertEqual(len(json.loads(r3.text).get("service_uuid_list")), 1)
-        r4 = requests.get("http://127.0.0.1:55000/instantiations")
-        self.assertEqual(len(json.loads(r4.text).get(
-            "service_instantiations_list")), 1)
-
-        # check number of running nodes
-        self.assertTrue(len(self.getContainernetContainers()) == 3)
-        self.assertTrue(len(self.net.hosts) == 5)
-        self.assertTrue(len(self.net.switches) == 2)
-        # check compute list result
-        self.assertEqual(len(self.dc[0].listCompute()), 2)
-        # check connectivity by using ping
-        ELAN_list = []
-
-        # check E-Line connection, by checking the IP addresses
-        for link in self.net.deployed_elines:
-            vnf_src, intf_src, vnf_sap_docker_name = parse_interface(
-                link['connection_points_reference'][0])
-            print vnf_src, intf_src
-            src = self.net.getNodeByName(vnf_src)
-            if not src:
-                continue
-            network_list = src.getNetworkStatus()
-            src_ip = [intf['ip']
-                      for intf in network_list if intf['intf_name'] == intf_src][0]
-            src_mask = [intf['netmask']
-                        for intf in network_list if intf['intf_name'] == intf_src][0]
-
-            vnf_dst, intf_dst, vnf_sap_docker_name = parse_interface(
-                link['connection_points_reference'][1])
-            dst = self.net.getNodeByName(vnf_dst)
-            if not dst:
-                continue
-            network_list = dst.getNetworkStatus()
-            dst_ip = [intf['ip']
-                      for intf in network_list if intf['intf_name'] == intf_dst][0]
-            dst_mask = [intf['netmask']
-                        for intf in network_list if intf['intf_name'] == intf_dst][0]
-
-            print "src = {0}:{1} ip={2} ".format(
-                vnf_src, intf_src, src_ip, src_mask)
-            print "dst = {0}:{1} ip={2} ".format(
-                vnf_dst, intf_dst, dst_ip, dst_mask)
-
-            # check if the E-Line IP's are in the same subnet
-            ret = ip_network(u'{0}'.format(src_ip, src_mask), strict=False)\
-                .compare_networks(ip_network(u'{0}'.format(dst_ip, dst_mask), strict=False))
-            self.assertTrue(ret == 0)
-
-        for vnf in self.dc[0].listCompute():
-            # check E LAN connection
-            network_list = vnf.getNetworkStatus()
-            mgmt_ip = [intf['ip']
-                       for intf in network_list if intf['intf_name'] == 'mgmt']
-            self.assertTrue(len(mgmt_ip) > 0)
-            ip_address = mgmt_ip[0]
-            ELAN_list.append(ip_address)
-            print ip_address
-
-        # check ELAN connection by ping over the mgmt network (needs to be
-        # configured as ELAN in the test service)
-        for vnf in self.dc[0].listCompute():
-            network_list = vnf.getNetworkStatus()
-            mgmt_ip = [intf['ip']
-                       for intf in network_list if intf['intf_name'] == 'mgmt']
-            self.assertTrue(len(mgmt_ip) > 0)
-            ip_address = mgmt_ip[0]
-            print ELAN_list
-            print ip_address
-            test_ip_list = list(ELAN_list)
-            test_ip_list.remove(ip_address)
-            for ip in test_ip_list:
-                # only take ip address, without netmask
-                p = self.net.ping([vnf], manualdestip=ip.split('/')[0])
-                print p
-                self.assertTrue(p <= 0.0)
-
-        # stop Mininet network
-        self.stopNet()
-        initialize_GK()
-
-    # @unittest.skip("disabled")
-    def test_GK_Api_stop_service(self):
-        # create network
-        self.createNet(ndatacenter=2, nhosts=2)
-        # setup links
-        self.net.addLink(self.dc[0], self.h[0])
-        self.net.addLink(self.dc[0], self.dc[1])
-        self.net.addLink(self.h[1], self.dc[1])
-        # connect dummy GK to data centers
-        sdkg1 = SonataDummyGatekeeperEndpoint("127.0.0.1", 55001)
-        sdkg1.connectDatacenter(self.dc[0])
-        sdkg1.connectDatacenter(self.dc[1])
-        # run the dummy gatekeeper (in another thread, don't block)
-        sdkg1.start()
-        time.sleep(3)
-        # start Mininet network
-        self.startNet()
-        time.sleep(3)
-
-        print "starting tests"
-        # board package
-        files = {"package": open(PACKAGE_PATH, "rb")}
-        r = requests.post("http://127.0.0.1:55001/packages", files=files)
-        self.assertEqual(r.status_code, 201)
-        self.assertTrue(json.loads(r.text).get("service_uuid") is not None)
-
-        # instantiate service
-        self.service_uuid = json.loads(r.text).get("service_uuid")
-        r2 = requests.post("http://127.0.0.1:55001/instantiations",
-                           data=json.dumps({"service_uuid": self.service_uuid}))
-        self.assertEqual(r2.status_code, 201)
-
-        # give the emulator some time to instantiate everything
-        time.sleep(2)
-
-        # check get request APIs
-        r3 = requests.get("http://127.0.0.1:55001/packages")
-        self.assertEqual(len(json.loads(r3.text).get("service_uuid_list")), 1)
-        r4 = requests.get("http://127.0.0.1:55001/instantiations")
-        self.assertEqual(len(json.loads(r4.text).get(
-            "service_instantiations_list")), 1)
-
-        # check number of running nodes
-        self.assertTrue(len(self.getContainernetContainers()) == 3)
-        self.assertTrue(len(self.net.hosts) == 5)
-        self.assertTrue(len(self.net.switches) == 2)
-        # check compute list result
-        self.assertEqual(len(self.dc[0].listCompute()), 2)
-
-        # stop the service
-        service_instance_uuid = json.loads(
-            r2.text).get("service_instance_uuid")
-        self.assertTrue(service_instance_uuid is not None)
-        requests.delete("http://127.0.0.1:55001/instantiations", data=json.dumps(
-            {"service_uuid": self.service_uuid, "service_instance_uuid": service_instance_uuid}))
-
-        r5 = requests.get("http://127.0.0.1:55001/instantiations")
-        # note that there was 1 instance before
-        self.assertTrue(len(json.loads(r5.text).get(
-            "service_instantiations_list")), 0)
-
-        # stop Mininet network
-        self.stopNet()
-        initialize_GK()
-
-    @unittest.skip("disabled")
-    def test_GK_stress_service(self):
-        # create network
-        self.createNet(ndatacenter=2, nhosts=2)
-        # connect dummy GK to data centers
-        sdkg1 = SonataDummyGatekeeperEndpoint("127.0.0.1", 55002)
-        sdkg1.connectDatacenter(self.dc[0])
-        sdkg1.connectDatacenter(self.dc[1])
-        # run the dummy gatekeeper (in another thread, don't block)
-        sdkg1.start()
-        time.sleep(3)
-        # start Mininet network
-        self.startNet()
-        time.sleep(3)
-
-        print "starting tests"
-        # board package
-        files = {"package": open("misc/sonata-stress-service.son", "rb")}
-        r = requests.post("http://127.0.0.1:55002/packages", files=files)
-        self.assertEqual(r.status_code, 201)
-        self.assertTrue(json.loads(r.text).get("service_uuid") is not None)
-
-        # instantiate service
-        self.service_uuid = json.loads(r.text).get("service_uuid")
-        r2 = requests.post("http://127.0.0.1:55002/instantiations",
-                           data=json.dumps({"service_uuid": self.service_uuid}))
-        self.assertEqual(r2.status_code, 201)
-
-        # give the emulator some time to instantiate everything
-        time.sleep(2)
-
-        # check get request APIs
-        r3 = requests.get("http://127.0.0.1:55002/packages")
-        self.assertEqual(len(json.loads(r3.text).get("service_uuid_list")), 1)
-        r4 = requests.get("http://127.0.0.1:55002/instantiations")
-        self.assertEqual(len(json.loads(r4.text).get(
-            "service_instantiations_list")), 1)
-
-        # stop the service
-        service_instance_uuid = json.loads(
-            r2.text).get("service_instance_uuid")
-        self.assertTrue(service_instance_uuid is not None)
-        requests.delete("http://127.0.0.1:55002/instantiations", data=json.dumps(
-            {"service_uuid": self.service_uuid, "service_instance_uuid": service_instance_uuid}))
-
-        r5 = requests.get("http://127.0.0.1:55002/instantiations")
-        # note that there was 1 instance before
-        self.assertTrue(len(json.loads(r5.text).get(
-            "service_instantiations_list")), 0)
-
-        # stop Mininet network
-        self.stopNet()
-        initialize_GK()