1.Created new file for VIO connector as vimconn_vio.py that extends the existing...

1.Created new file for VIO connector as vimconn_vio.py that extends the existing openstack connector
2.Changes in vimconn_openstack.py: Modified __reload_connection() to incorporate Internal URL endpoint for VIO and added glancev1 as object attribute to avoid code duplication at VIO connector
3.Changes in vimconn_vio.py: Removed __reload_connection() , new_image() and unused imports
4.Addressed code review comments for patch set 3
5.Changes in vimconn_openstack.py: Added new helper method _create_net_dict() to create network dict
6.Changes in vimconn_vio.py: Removed implementation of SRIOV Nova workflow for VIO 3 and implemented SRIOV Neutron workflow for VIO 4.
7.Removed vimconn_vio.py file for VIO connector
8.Changes in vimconn_openstack.py: Merged VIO related changes in main openstack connector file
9.Changes in vimconn_openstack.py: Addressed code review comments for patch set 6 and modified EPA parameters in flavor for VIO
10.Changes in vimconn_openstack.py: Addressed code review comments for patch set 7

Change-Id: Iac4ea48acfd1fccd5fa81651e12058a3a0965c1c
Signed-off-by: kate <akate@vmware.com>