http://genkisugimoto.com/blog/manage-vim-plugins-via-yaml/

complex_neobundle.vim

NeoBundleFetch 'Shougo/neobundle.vim'
NeoBundle 'Shougo/vimproc.vim', {
  \ 'build' : {
  \     'windows' : 'make -f make_mingw32.mak',
  \     'cygwin' : 'make -f make_cygwin.mak',
  \     'mac' : 'make -f make_mac.mak',
  \     'unix' : 'make -f make_unix.mak',
  \    },
  \ }
NeoBundleLazy 'Shougo/vimfiler', {
  \ 'depends' : 'Shougo/unite.vim',
  \ 'autoload' : {
  \    'commands' : [{ 'name' : 'VimFiler',
  \                    'complete' : 'customlist,vimfiler#complete' },
  \                  'VimFilerExplorer',
  \                  'Edit', 'Read', 'Source', 'Write'],
  \    'mappings' : ['<Plug>(vimfiler_'],
  \    'explorer' : 1,
  \   },
  \ }