Merge pull request #151 from praveenkv/master

Removed unused file
fix start up issue in mockredis
Merge pull request #156 from Juniper/rajreddy_mockredis

fix start up issue in mockredis
Fix floating ip's vrf as default vrf of the virtual network
Merge pull request #157 from Juniper/fip_default_vrf_fix

Fix floating ip's vrf as default vrf of the virtual network
Adding provision_encap.py script in github