Merge remote-tracking branch 'upstream/master'

solve Conflicts:
	src/emuvim/api/rest/monitor.py
	src/emuvim/api/rest/network.py
diff --git a/src/emuvim/api/rest/monitor.py b/src/emuvim/api/rest/monitor.py
index c1c7831..209670c 100755
--- a/src/emuvim/api/rest/monitor.py
+++ b/src/emuvim/api/rest/monitor.py
@@ -39,6 +39,8 @@
 
 logging.basicConfig(level=logging.INFO)
 
+CORS_HEADER = {'Access-Control-Allow-Origin': '*'}
+
 net = None
 
 
@@ -61,10 +63,10 @@
             else:
                 c = net.monitor_agent.setup_metric(vnf_name, vnf_interface, metric)
             # return monitor message response
-            return  str(c), 200
+            return  str(c), 200, CORS_HEADER
         except Exception as ex:
             logging.exception("API error.")
-            return ex.message, 500
+            return ex.message, 500, CORS_HEADER
 
     def delete(self, vnf_name, vnf_interface=None, metric='tx_packets', cookie=None):
         logging.debug("REST CALL: stop monitor VNF interface")
@@ -74,10 +76,10 @@
             else:
                 c = net.monitor_agent.stop_metric(vnf_name, vnf_interface, metric)
             # return monitor message response
-            return str(c), 200
+            return str(c), 200, CORS_HEADER
         except Exception as ex:
             logging.exception("API error.")
-            return ex.message, 500
+            return ex.message, 500, CORS_HEADER
 
 
 class MonitorFlowAction(Resource):
@@ -96,20 +98,20 @@
         try:
             c = net.monitor_agent.setup_flow(vnf_name, vnf_interface, metric, cookie)
             # return monitor message response
-            return str(c), 200
+            return str(c), 200, CORS_HEADER
         except Exception as ex:
             logging.exception("API error.")
-            return ex.message, 500
+            return ex.message, 500, CORS_HEADER
 
     def delete(self, vnf_name, vnf_interface=None, metric='tx_packets', cookie=0):
         logging.debug("REST CALL: stop monitor VNF interface")
         try:
             c = net.monitor_agent.stop_flow(vnf_name, vnf_interface, metric, cookie)
             # return monitor message response
-            return str(c), 200
+            return str(c), 200, CORS_HEADER
         except Exception as ex:
             logging.exception("API error.")
-            return ex.message, 500
+            return ex.message, 500, CORS_HEADER
 
 class MonitorLinkAction(Resource):
     """
@@ -212,7 +214,7 @@
             return (str(c1) + " " + str(c2)), 200
         except Exception as ex:
             logging.exception("API error.")
-            return ex.message, 500
+            return ex.message, 500, CORS_HEADER
 
 class MonitorSkewAction(Resource):
     """
@@ -245,4 +247,5 @@
             return str(c), 200
         except Exception as ex:
             logging.exception("API error.")
-            return ex.message, 500
\ No newline at end of file
+            return ex.message, 500, CORS_HEADER
+