Add Repo#create_branch method
Add Repo#create_branch method

Given a name, it will check the git repo on the filesystem, and if the branch exists,
fill in the details and create a Branch record

skateman/miq_bot,skateman/miq_bot,ManageIQ/miq_bot,ManageIQ/miq_bot,imtayadeway/miq_bot,imtayadeway/miq_bot,imtayadeway/miq_bot,ManageIQ/miq_bot,skateman/miq_bot,ManageIQ/miq_bot