Adding custom theme
Update completion for SSH

Add all hosts found in ~/.ssh/config.
Tip found on: http://www.nerux.org/wiki/OpenSSH#coupler_avec_zsh_completion
Update theme

Use different colors in case of root or ssh connection for prompt.
Merge remote branch 'upstream/master'
Merge remote branch 'upstream/master'
Merge remote branch 'upstream/master'

Conflicts:
	lib/completion.zsh
Merge remote branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Comment l alias
Merge branch 'master' of github.com:essembeh/oh-my-zsh
Merge remote-tracking branch 'upstream/master'

Conflicts:
	lib/aliases.zsh
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge pull request #690 from essembeh/master

Adding ~/.ssh/config parsing for host list and theme.