create base package 'osm_ro_plugin' for plugin

contains base packabe, dummy and failing connectors

All plugins will require this package instead of osm_ro
In that way plugin development is more independent
from main project, and it can be re-used in other projects.
For example openvim can use these SDN plugins without importing osm_ro

Change-Id: I9b598fdca269f04391e731cd07bb244f3918635d
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/RO-VIM-openvim/setup.py b/RO-VIM-openvim/setup.py
index 7a9070c..ab99577 100644
--- a/RO-VIM-openvim/setup.py
+++ b/RO-VIM-openvim/setup.py
@@ -46,10 +46,10 @@
     include_package_data=True,
     install_requires=[
         "requests", "netaddr", "PyYAML",
-        "osm-ro @ git+https://osm.etsi.org/gerrit/osm/RO.git#egg=osm-ro&subdirectory=RO"
+        "osm-ro-plugin @ git+https://osm.etsi.org/gerrit/osm/RO.git#egg=osm-ro-plugin&subdirectory=RO-plugin"
     ],
     setup_requires=['setuptools-version-command'],
     entry_points={
-        'osm_rovim.plugins': ['rovim_openvim = osm_rovim_openvim.vimconn_openvim'],
+        'osm_rovim.plugins': ['rovim_openvim = osm_rovim_openvim.vimconn_openvim:vimconnector'],
     },
 )