Create a symbolic link from the vimrc file within the root of the repo to ~/.vimrc and another from the vim directory within the repo root to ~/.vim.
All plugins are maintained via Vundle.
git clone https://github.com/gmarik/vundle.git .vim/bundle/vundle
vim +PluginInstall +qall
vim vimrc
Bundle "some/bundle"
vim +PluginInstall +qall
Remove it from .vimrc
rm -fr vim/bundle/<plugin>
cd ~/.vim/bundle/YouCompleteMe
./install.sh --clang-completer
Checkout https://github.com/Lokaltog/powerline-fonts and install them all into ~/Library/Fonts
Meslo LG S DZ for Powerline (11)