Xcode 插件管理器安装 ：
安装：命令
mkdir -p ~/Library/Application\ Support/Developer/Shared/Xcode/Plug-ins;curl -L http://git.io/lOQWeA | tar xvz -C ~/Library/Application\ Support/Developer/Shared/Xcode/Plug-ins
删除命令：
rm -rf ~/Library/Application\ Support/Developer/Shared/Xcode/Plug-ins/Alcatraz.xcpluginrm -rf ~/Library/Application\ Support/Alcatraz
