Disabled OVS neutron plugin and configured plumgrid neutron plugin.
Modify /etc/default/neutron-server to map on /etc/neutron/plugins/plumgrid/plumgrid.ini
Changed /etc/neutron/plugins/plumgrid/plumgrid.ini configuration.
plumgrid-pythonlib installation added.
Merge pull request #1 from plumgrid/salmankh-dev

Salmankh dev