Submodule http://github.com/SirVer/ultisnips.git made trouble. Re-added.
Submodule http://github.com/SirVer/ultisnips.git made trouble. Re-added.

* Added shell script "update_dotfiles.sh" for updating dotfiles
  submodules after cloning.
Merge branch 'master' of /usr/local/dotfiles.old