to try it out:
$ mkdir -p /tmp/vimtest && cd !$ # create and cd to test folder
$ git clone --recursive https://github.com/gmarik/vimfiles.git ./.vim # clone recursively with vundle
$ HOME=$(pwd) vim -u .vim/vimrc +BundleInstall # run installation in relative to current folder
# and using downloaded `vimrc`
NOTE: add -g
argument to the last vim
command to use graphical UI if you like