ln -s ~/.vim/vimrc ~/.vimrc
git clone https:/github.com/gmarik/vundle.git ~/.vim/bundle/vundle
vim +BundleInstall +qall
cd ~/.vim/vimrc/bundle/YouCompleteMe
./install.sh --clang-completer
vim +BundleInstall +qall
vim ~/.vim/vimrc
Then inside vim,
:BundleInstall
:BundleUpdate
:BundleClean
delete line from .vimrc and run :BundleClean
http://rmitc.org/2013/04/modern-vim-plugin-management-pathogen-vs-vundle/