[5.0.0] Updated CHANGELOG with a note regarding a newly discovered iOS 8 bug.
[5.0.0] Updated CHANGELOG with a note regarding a newly discovered iOS 8 bug.

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