$ git clone --recursive git@github.com:mofei2816/dotvim.git
create a link to $HOME/.vim:
$ ln -s /path/to/dotvim ~/.vim
$ ln -s .vim/vimrc ~/.vimrc # only need for vim older than 7.4
or use temporarily:
$ vim -u /path/to/dotvim/vimrc [files ...]
See docs here
$ ln -s /path/to/PowerlineSymbols.otf ~/.local/share/fonts/
$ ln -s /path/to/10-powerline-symbols.conf ~/.config/fontconfig/conf.d/
$ fc-cache -vf