[MB-1075] add notes on iOS 8 status bar jankiness
[MB-1075] add notes on iOS 8 status bar jankiness

zhangqinghe/ios-library,manuyavuz/ios-library,ipmobiletech/ios-library,manuyavuz/ios-library,ipmobiletech/ios-library,zhangqinghe/ios-library,ipmobiletech/ios-library,grosch/ios-library,grosch/ios-library,mikerowan/ios-library,grosch/ios-library,mikerowan/ios-library,mikerowan/ios-library,manuyavuz/ios-library,zhangqinghe/ios-library