直接 vim 開啟檔案就可以裝好 vundle.vim
:PluginList - lists configured plugins
:PluginInstall - installs plugins; append `!` to update or just :PluginUpdate
:PluginSearch foo - searches for foo; append `!` to refresh local cache
:PluginClean - confirms removal of unused plugins; append `!` to auto-approve removal