[TIMOB-14235] Implemented iOS NSAttributedString
Ti.UI.iOS.AttributedString missing _destroy function
iOS AttributedString fixed auto SIZE and work around for Apple Bug
Documentation for Ti.UI.iOS.AttributedString
iOS AttributedString - Addressed comments in PR regarding documentation
iOS AttributedString - Fixed docs according to comments in PR
iOS AttributedString - Code fixes from comments in PR
iOS AttributedString address more comments in PR
[TIMOB-14235] iOS AttributesString added links to TextArea
Merge branch 'refs/heads/master' into timob-14235

Conflicts:
	iphone/Classes/TiUILabel.m
	iphone/Classes/TiUIiOSProxy.h
	iphone/Classes/TiUIiOSProxy.m
	iphone/iphone/Titanium.xcodeproj/project.pbxproj
[TiMOB-14235] Cleanup label
[TIMOB-14235] Added `createAttributedString` to Ti.UI.iOS object
[TIMOB-14235] Fixed docs on AttributedString
[TIMOB-14235] Added check for iOS7 on AttributedString
[TIMOB-14235] Added macro check on TextField
Merge pull request #4749 from pec1985/timob-14235

[TIMOB-14235] Implemented iOS NSAttributedString