added red background color for root

I use oh-my-zsh with powerline theme for normal user and root and when background color is the same in both cases it could be misleading. I know, that red background is used for ssh connections, but we can talk about it.
Changed code points of powerline glyphs
Merge pull request #8 from illuminatis/patch-1

added red background color for root
Merge pull request #13 from mkraemer/new-code-points

Changed code points of powerline glyphs
Updated README
Updated theme with a brand new design
Updated preview
Fixed git info
Fixed Git remote icon
Updated right prompt with exit status code
Merge pull request #14 from wujtruj/master

New features in right prompt
Added ability to hide username or hostname
Merge pull request #15 from wujtruj/hostname

Added ability to hide username or hostname
Added options to make it like before
New option: POWERLINE_DISABLE_RPROMPT
document POWERLINE_DISABLE_RPROMPT
document POWERLINE_DISABLE_RPROMPT
fix typo POWERLINE_DISABLE_RPROMT
Merge pull request #20 from flavius/master

Fix typo