I should not have merged this here.
More comments
- Fix pass of parameters
- Add new function `ecd'.
Fix alias `eeval'
Fix indentation
New function `efile`
Change default zshrc to export $ZSH (as required by check_for_upgrade.sh).
Fix builtin `ecd' when file path contains space characters.
Merge remote-tracking branch 'upstream/master' into emacs

Conflicts:
	plugins/emacs/emacs.plugin.zsh
	plugins/emacs/emacsclient.sh
Comment
Do not overwrite EDITOR environment variable if already defined.
Update the script to account for the changes in 0.1.7 where .gas is a directory
Add zsh_reload which provides src function, this function will source .zshrc and rebuilds cache
`setopt append_history` is not necessary.

Especially given the inc_append_history option, it is not necessary to
set the (default) append_history option.
Add completion for pip install -r - so that it autocompletes requirements filenames
Add gem build autocompletion
Added link to wiki page for plugins to README.

The wiki is more readable than going to the plugins directory.
fix gnzh theme to detect local rvm installations
added powed command to list pow urls
A plugin that makes it easier to interact with the (single) running instance of gvim