Syntax highlight nginx.conf

mkdir -p ~/.vim/syntax/
cd ~/.vim/syntax/
wget http://www.vim.org/scripts/download_script.php?src_id=14376 -O nginx.vim

# vim ~/.vim/filetype.vim
au BufRead,BufNewFile /etc/nginx/*,/usr/local/nginx/conf/* if &ft == '' | setfiletype nginx | endif