Rubocop

@kevgo 

Custom cops:
* EmptyLines - otherwise the 2 spacing between functions and the 2/4 functions
* LineLength - 15 over 100, 38 over 80
* ParameterLists - create_local_commit has 6
Yep `n` is standing for a branch name. I'll think on this. May be able to clean up this line more.