Ruby: add global .rspec file
Vim: update Command-T

Nothing in here that I really need, but don't want to get too far
behind.

* .vim/bundle/command-t e81ce15...223092c (17):
  > Print helpful message if "mkmf" require fails
  > doc: mention the potential need to install ruby-dev/ruby-devel etc
  > Update docs for 1.11.3 release
  > Fix g:CommandTTraverseSCM='pwd' staleness
  > Add a spec for .escape_for_single_quotes
  > Merge branch 'sherzodv/fix-badfname-error'
  > doc: Update docs for 1.11.2 release
  > Fix NoMethodError when outside of a repository
  > Doc: update docs for 1.11.1 release
  > doc: Update HISTORY
  > Unbreak 'g:CommandTTraverseSCM' setting of "path"
  > Bail earlier for ineligible dot-file matches
  > Add MRU.last method
  > Put initialize method at top of class
  > Centralize setting-readers in CommandT::VIM
  > Move wild_ignore method out of CommandT::VIM
  > Consolidate has_conceal? and has_syntax? methods