Remove unused import

Change-Id: I65e8c282f3bbb81cf66ee7340dc250beab4e33ff
Add .gitreview to controller repository
Add copyright, etc.
Revert plugin thinning changes.
Merge commit '357ce75' into current
Merge pull request #720 from Juniper/current

Current
Restore https://github.com/Juniper/contrail-controller/pull/712
CI test change

Change-Id: I10acd430fd504c726aed756f230d5f08dd8a2f1d
Merge "Remove unused import"
Update README

Change-Id: Ide9ba06e20b38515994ac996d5c3acb63a8531d3