Backup your .vimrc and .vim if needed
git clone git@github.com:jeroenrietveld/vim-config.git ~/.vim
cd ~/.vim
ln -s ~/.vim/vimrc ~/.vimrc
Clone the Vundle repo
git clone https://github.com/gmarik/vundle.git ~/.vim/bundle/vundle
Open vim and install the bundles
vim
:BundleInstall