TC-4653 : Add access to iOS App Setting URL

Add access to the iOS8 UIApplicationOpenSettingsURLString. This allows the developer to launch directly into the iOS8 App Settings Screen using Ti.Platform.canOpenURL.

For example:

~~~
var settingsURL = Ti.App.iOS.ApplicationOpenSettingsURL;
if(settingsURL!=undefined){
	if(Ti.Platform.canOpenURL(settingsURL)){
		Ti.Platform.openURL(settingsURL);
	}else{
 	alert('cannot open URL');
 }
}

~~~
Update documentation for TC-4653
[TIMOB-17662] Adding autorotate property to showCamera
Merge branch 'TC-4653' of github.com:benbahrenburg/titanium_mobile into TC-4653

Conflicts:
	apidoc/Titanium/App/iOS/iOS.yml
[TC-4653] Doc cleanup
Merge pull request #6060 from jonalter/TC-4653

TC-4653 : Add access to iOS App Setting URL
Merge pull request #6057 from jonalter/TIMOB-17662

[TIMOB-17662] Adding autorotate property to showCamera
[TIMOB-17648] Ignore popovers for supported orientations
[TIMOB-17648] Track and ignore active UIAlertControllers on iOS8
Merge pull request #6065 from vishalduggal/timob-17648

[TIMOB-17648] iOS8: iPad Alert dialog does not consider window orientation modes
[TIMOB-17648] nil check
Merge pull request #6070 from vishalduggal/timob-17648

[TIMOB-17648] nil check