start working on git-backportpr
centralize github api calls
use run_cmd rather than Grit for git commands.  Add github_track_reviewer.
cc socialcast user when creating backport
some cleanup / fixes for backportpr
allow user to continue on cherry-pick merge problem
add spec for backportpr
fix some unit tests
fix unit tests
fix typo in git-backportpr
add spaces around curly braces
fix spacing
Merge pull request #64 from socialcast/git-backportpr

git-backportpr