Install https://github.com/klen/python-mode.git bundle as a submodule.
Uninstall  bundle.
laundry
Install https://github.com/scrooloose/nerdcommenter.git bundle as a submodule.
Install https://github.com/plasticboy/vim-markdown.git bundle as a submodule.
Uninstall  bundle.
Install https://github.com/toyamarinyon/vim-swift.git bundle as a submodule.
Commit submodule when updates
Updating vim submodules
Commit submodule when updates