Fix Gemfile{,.lock}
When extracting to a 'let', the equals sign can have zero or more spaces around it
Fix :RConvertPostConditional (and tests)
'bundle update' to silence warnings

Note that robot-vim isn't ready to go up to v2.x, for some reason I
haven't examined, yet.
Add g:ruby_refactoring_sans_superfluous_syntax
Merge branch 'parenless'
Slim down docs (and auto-include matchit.vim)
<leader>relv works to end-of-line without visual
Improve handling (plus blackhole 'end')

Causes features to fail again. FIXME
Demo more things.
Reorder for interestingness.
Clarifying (from IRL feedback)
Greenbar ExtractMethod test for parenless default
Ignore capitalized vars, re: issue #1
Nuking cuke; writing a new test thing from scratch
Merge remote-tracking branch 'rking/master'