Move your existing vim setup out of the way:
$ mv ~/.vimrc ~/.vimrc.old; mv ~/.gvimrc ~/.gvimrc.old; \
mv ~/.vim ~/.vim.old
Clone the repo, add link to .vimrc, & install plugins:
$ git clone git://github.com/skalnik/vim_config.git ~/.vim
$ ln -s ~/.vim/vimrc ~/.vimrc
$ cd ~/.vim
$ mvim -u plug.vim +PlugInstall +q +q