Fixed Xcode crush on ALT+double-click and resolve QuickHelp lookup problem (#235, #289, #315). Fixed #318 for incorrectly formatted setter in @property

1. Fixed Xcode crash on ALT-DoubleClick every time when trying to look up selected text in Xcode Organiser
2. Added Quick Help lookup for property's getters and setters when they are explicitly implemented in the code. Reference link for property's non-default methods now point to property's help.
4. Fixed #318 when help page was not properly formatted if property had setter=xxx: defined
3. Added sample Xcode integration script to generate dockets automatically as target