* Add shrink-path plugin to shorten directory paths (e.g. ~/f/b/quux)

* Add a README

This makes things work even on system lacking /bin/sh, such as on
non-rooted Android systems.

* Export $NVM_DIR if it doesn't exist and use it when looking for nvm
* Use $NVM_DIR when looking for nvm for completion
* Use $NVM_DIR when looking for nvm in nvm_prompt_info

* Fix gbda alias to support git config color.ui = always
* Update gbda alias to exclude develop and dev branches

* Function wasn't returning correct value
* Updated underlying git command
* Kept echo command from previous function for backwards compatibility
* Kept function consistent with git_commits_behind

adding python virtualenv support to muse theme

Also fixed formatting of markdown URL in README.

- Updated minimal version from 23 to 24.
- Added new aliases that fix unexpected close with -nw option.
- Removed some old aliases.
- Fixed line that detects open frames.

Removes .phing_target generation from phing plugin

Remove "Warning:" lines from phing targets list. Warning lines are
returned by phing when a target has no tasks or dependencies.

# Conflicts:
#	plugins/phing/phing.plugin.zsh

* Added git_commits_behind function
* Added 'command' to git_commits_behind function
* git_commits_behind code review changes

Repost of #5176: add gb plugin

Calling awk is not necessary here, sysctl has the -n flag to print the value.
Signed-off-by: Clemens Gruber <clemensgru@gmail.com>

Related: #5179

Related: #5179

* `function` keyword removed
 * Fixup the `if` statement and operators

See robbyrussell@b67961d

* Modifies ofd to use alias to open_command instead of shell function with AppleScript

* Add ofd() to OSX plugin to open finder on current directory

* Change `pwd` to $PWD in osx.plugin.zsh
  Suggested by mcornella