updated README
updated README

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