shorten_path: sort hashes by length
tmux/vim: use term title for panes, disable auto-window-rename
Update submodule oh-my-zsh 7b1f79b...96f3c37

* oh-my-zsh 7b1f79b...96f3c37 (4):
  > title: disable auto-rename of tmux windows (using pane title instead)
  > title: disable SUFFIX (OpenVZ) for now
  > Export title suffix only when not using tmux (set there in titlestring)
  > hash: add omz