Fix autojump script to support Nix installations

use pigz if available in extract plugin

[aws plugin] Changed brew cmd to properly report if awscli is installed via homebrew

Fix Yosemite broken zsh

Added VIRTUAL_ENV_DISABLE_PROMPT to steeef.zsh-theme

Simplify superjarin theme and support chruby

Sourcing oh-my-zsh immediately after export PATH.

Switch back to oh-my-zsh.hide-dirty setting again

[~] fix plugin pj

Commit 81004dfa reverted the change
in 9b811fb6 when editing the merge
conflict from #2928.

This commit fixes that so that we don't make the same mistake again.

First seen in http://git.io/Cdaj5Q

https://github.com/robbyrussell/oh-my-zsh/commit/bce74975d055529cbd186782e2fd99e6da840460

Fix for the profile plugin.

An error was introduced with 7f75bb90, which uses special vars. This is the
fix.

Use special variables where we can

This avoids spawning additional processes as $PWD **always** contains
the current working directory.

This avoid spawning additional processes, as the $USER variable will
**always** contain the current logged-in user.

added support for GNU version of `date`

[wd] New minor version (v0.4)

Remove j alias for autojump

update the scd plugin for smart change of directory.

Fix osx function: "not valid in this context"

typo

Solaris portability tweaks.

Fix for recusion limit hit for _rake_command alias

Fixed which output at each new shell creation

Renaming config for parse_git_dirty() to avoid collision

Modernize the virtualenv plugin

Improve pj-plugin to support projects with spaces in their names + optimise code

Update path for the iOS simulator.

Fix error using compass search alias

[Plugin: gitignore] Several fixes in the plugin

This stops the virtual env name from being printed before it is actually being
used in the zsh prompt.

Synced with the master branch
pavoljuhas/smart-change-directory@20b5a80cf05f72c07e88a9b166593f52517029e4.