Prevents oh-my-zsh loading the .zshenv twice
Adds a method that print a battery gauge

It is especially useful for themes, this function is a port of the code written by Steve Losh
and made available on [this blog entry](http://stevelosh.com/blog/2010/02/my-extravagant-zsh-prompt/#my-right-prompt-battery-capacity)
change nyancat telnet server

miku.acm.uiuc.edu was decommissioned a while ago; this is a sanctioned mirror
Update nyan.plugin.zsh
provides iwhois command to use CNAMES under whois.geek.nz to find most accurate whois server
Add 'services' command to homebrew completion
Add cabal_sandbox_info function

Reports whether the current working directory is within a
sandbox. Useful to check before installing Cabal packages into the
global registry.
Fix URL to gi (gitignore) function

Previous URL doesn't seem to work because the host requires a www
prefix.
Update gitignore.plugin.zsh

Fix URL to gi (gitignore) function in _gitignireio_get_command_list function
Adieu l'ami.

 @jimweirich -- You will be missed.
Add missing `command` wrapper for git

Signed-off-by: Mikhail S. Pobolovets <styx.mp@gmail.com>