merge changes from offical repo

themes/fino.zsh-theme

@@ -21,6 +21,15 @@ function box_name {
     [ -f ~/.box-name ] && cat ~/.box-name || hostname -s
 }
 
+local rvm_ruby=''
+if which rvm-prompt &> /dev/null; then
+  rvm_ruby='‹$(rvm-prompt i v g)›%{$reset_color%}'
+else
+  if which rbenv &> /dev/null; then
+    rvm_ruby='‹$(rbenv version | sed -e "s/ (set.*$//")›%{$reset_color%}'
+  fi
+fi
+
 local current_dir='${PWD/#$HOME/~}'
 local git_info='$(git_prompt_info)'
 local prompt_char='$(prompt_char)'