Add vagrant completion for individual VMs

For multi-VM setups some commands take the name of
a virtual machine.  Read the Vagrantfile and offer
suggestions.
Added new function git_remote_status to check if we are ahead, behind or diverged from the remote branch
New theme 'intheloop' which demonstrates the git_remote_status function
Make command-not-found no-op when support not available (e.g. not on Ubuntu)
Fixed cap plugin
Aliases

Modify directory listing aliases to make more sense. Remove conflicting helper
function (mcd conflicts with mtools).
Dollar sign instead of percent in unprivileged user prompt (as in real gentoo)
Change plugin name from cap to capistrano
rsync: add plugin
Updated the frisk theme to display Bazaar branch information as well (based on zedtux.zsh-theme http://j.mp/ikTZJj)
rsync: add rsync- prefixes and use aliases
some new aliases screen/tail
Merge in recent stuff
add theme with command-line tips support
Rename to _capistrano (completion only)
Make history more bash-like
Only correct commands
Merge branch 'master' of https://github.com/robbyrussell/oh-my-zsh

* 'master' of https://github.com/robbyrussell/oh-my-zsh:
  Revert "Enable red dots during completion by default".
  Add an alias for ga --> git add, too
  Add gss alias for git status -s
  Add guard to bundler plugin's wrapped commands
  Heroku completion plugin
  Added auto complete plugin for powder gem https://github.com/Rodreegez/powder
  'echo' did not show colors without -e in upgrade.sh
  Replace forgotten rubies with authors
  Add autocomplete for gas. Based on the rvm plugin.
  Enable red dots during completion by default
  Display red dots during completion process (disabled by default)
  Add key bindings for gnome-terminal on Fedora
  Minor corrections to deletion detection in git_prompt_status
  Included some essential aliases, inspired by http://lolcode.com/
Merge branch 'master' of github.com:apm12/oh-my-zsh

* 'master' of github.com:apm12/oh-my-zsh:
  Only correct commands
  Make history more bash-like
correction