copy from https://github.com/amix/vimrc.
but I did some modification for my personal settings.

start from your home path:

    git clone https://github.com/linuxandroid/vim_runtime.git .vim_runtime     
    cd .vim_runtime    
    ./install_awesome_vimrc.sh   

Key function:

• F1 -- toggle mouse mode from terminal and vim(a).
• F2 -- toggle tagbar
• F12 -- toggle NerdTree