Update readme.
Update readme.

appsquickly/XcodeEditor,iosdevzone/XcodeEditor,appsquickly/XcodeEditor,service2media/XcodeEditor,cezheng/XcodeEditor,andyvand/XcodeEditor,JoelGerboreLaser/XcodeEditor,khanhtbh/XcodeEditor,khanhtbh/XcodeEditor,JoelGerboreLaser/XcodeEditor,appsquickly/XcodeEditor,cezheng/XcodeEditor