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
Merge pull request #2402 from bric3/battery_level_gauge

Adds a method that print a battery gauge
Merge pull request #2342 from blackjid/master

Prevents oh-my-zsh loading the .zshenv twice
Merge pull request #2465 from klange/master

change nyancat telnet server