First round of modernization before releasing 0.2.0

including dropping 1.8.7 support and introducing rubocop.
More polishing including removal of 'should' from spec descriptions

and replacing encoding tokens with now-allowed vim style.
Knocking out a bunch more rubocop offences
Fixing remaining rubocop offences (except for Documentation)
Finally removing an ancient experiment
Also showing config when `git solo` is given no args
We don't need no English here.
But we *do* need English in here.
Merge pull request #4 from modcloth/pre-0.2.0-brushup

Pre 0.2.0 brushup