Merge pull request #645 from mr-szymanski/master

Add "wuffers" theme

themes/wuffers.zsh-theme

+ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg_bold[blue]%}["
+ZSH_THEME_GIT_PROMPT_SUFFIX="]%{$reset_color%} "
+ZSH_THEME_GIT_PROMPT_DIRTY="%{$fg_bold[red]%} x%{$fg_bold[blue]%}"
+
+PROMPT='%{$(git_prompt_info)%}%{$fg_bold[green]%}{%{$(rvm current)%}}%{$reset_color%} %{$fg[cyan]%}%c%{$reset_color%} '