git-pull-request: GitHub changed params
Merge pull request #11 from kratob/master

Fix params for git-pull-request
Version bump
Add the command "git pivotal-branch ID" to name branches from Pivotal Tracker tasks
Updates pull-request CMD to the new GH UI
Merge pull request #13 from mezis/github-new-pr-interface

Github new pr interface
Version bump
Update git-whistles.gemspec
Merge pull request #9 from dncrht/branch-from-pivotal-task

Add the command "git pt ID" to name branches from Pivotal Tracker tasks