To use it, install VAM:
mkdir ~/vim-addons
cd ~/vim-addons
git clone https://github.com/MarcWeber/vim-addon-manager.git
Place in .vimrc :
fun SetupVAM()
set runtimepath+=~/vim-addons/vim-addon-manager
call vam#ActivateAddons(["github:PierreGambarotto"],{'auto_install' : 0})
call vim_addon_PierreGambarotto#Activate([])
endf
call SetupVAM()