extend mercurial plugin to be more like git/svn

implement in_hg(), hg_get_branch_name(), hg_prompt_info(), and hg_dirty() for the mercurial plugin
named functions similar to subversion plugin, to give theme maintainers an easier life
Fixed missing retcode function
Uncomment l alias
Added alias for git clean
New plugin for git-repo (https://code.google.com/p/git-repo/)

Signed-off-by: Gaetan Semet <gaetan@xeberon.net>
Improvement in the git plugin

Signed-off-by: Gaetan Semet <gaetan@xeberon.net>
A cabal plugin based on the lein plugin
Fixed color on git prompt for superjarin theme
Adding testlog and prodlog.
Update the character used in powerline

The code points have been updated in 53fbfe1, see
- https://github.com/Lokaltog/powerline/commit/53fbfe15fead8cc7598bcb4ee9714a221ab7e446
- https://github.com/Lokaltog/powerline/issues/4
Update bundler.plugin.zsh

Added berks, foodcritic, kitchen, and knife commands to bundler plugin.
Update bundler.plugin.zsh

Added strainer & tailor to commands in bundler plugin.
Add count for incoming and outgoing changesets.
virtualenvwrapper plugin cleanup

* removes cd override by using chpwd_functions
* removes subshell call to which by using $+commands array and
  c param expansion to find in PATH
* zsh love!
virtualenv cleanup: replaces subshell with prompt expansion.

* :t parameter expansion returns the last portion of the path,
  equivalent to basename. I <3 zsh.
* adds comments for the VIRTUAL_ENV_DISABLE_PROMPT,
  used by virtual_env activate

See also:
  http://zsh.sourceforge.net/Doc/Release/Expansion.html#Parameter-Expansion
Random quotes from the internet
Messed up the comment somehow...
Adding a rebase option to git alias.
Escape both % and $ in the command line

Fixes issue #1884
Fixed slow behavior when using GitHub wrappers