Fix git start command to detect when branch already exists locally.
Merge branch 'fix-start-branch-conflict'

* fix-start-branch-conflict:
  Fix git start command to detect when branch already exists locally.
Merge branch 'master' of https://github.com/thegarage/thegarage-gitx into add-resume-option-to-integrate-command

# By Ryan Sonnek
# Via Ryan Sonnek
* 'master' of https://github.com/thegarage/thegarage-gitx:
  Fix git start command to detect when branch already exists locally.