Change bundler plugin's `bi` alias to a function

Prevent errors in prompts if no battery info available.

Bazaar Integration Lib

Added function to show current Node.js version and new Bureau theme

Optionally disable git_prompt_info with git config option for very large repos

Add update statistics when people upgrade

Just forgot 3 letters. Here is the fix.

Only check the bundler version when we call bi. This fixes two issues:
First, if there is no bundler available system-wide this will cause an
error each time zsh loads. Second, if new bundler is installed
system-wide but you change into an rbenv with an older version, the
alias will no longer work.

Adds the hgsl alias for one-line shortlog convenience

Fix issues with special characters when running mvn

new useful aliases for zeus

Rebranded SUSE's plugin according to Zypper's official alias

Add FreeBSD support for autojump plugin

Add support for sublime 3

Added Amuse zsh theme

unified and improved Rails plugin -- consolidates Rails3 and Rails4 plugins into one.

Add support for colored ls output on OpenBSD

Use precmd hook instead of chpwd for updating OS X proxy icon

Add simple plugin for chruby ruby version manager

standardize logic blocks

Add pyenv plugin

fix pip plugin

Update _heroku config arguments (Heroku Client v3)

Update _pass to follow symlinks for completion

Based on: http://comments.gmane.org/gmane.comp.encryption.pass/235

Using the chpwd hook function causes some junk to be printed to STDOUT after
returning from a subshell wherein the working directory was changed. In rare
cases, this can cause issues with 3rd party tools. An example is this issue
with the Python virtualenvwrapper tool:

https://bitbucket.org/dhellmann/virtualenvwrapper/issue/216/lsvirtualenv-and-workon-output-broken-in

After the upgrade is interesting to know what's new.

Signed-off-by: Gaetan Semet <gaetan@xeberon.net>