* Multicast delegate Add* calls now return FDelegateHandles, and Remove* calls are now all deprecated, except for a new Remove function which takes a FDelegateHandle.
* New FConsoleManager::RegisterConsoleVariableSink_Handle and UnregisterConsoleVariableSink_Handle functions which work in terms of FConsoleVariableSinkHandle.
* Timer calls which don't take FTimerHandles are deprecated.
* FTicker::AddTicker now returns an FDelegateHandle and is removed by an overloaded Remove function.
* DEFINE_ONLINE_DELEGATE* macros now define _Handle variants of the Add/Remove functions which return/take handles.
* Various other handle-based registration changes.
* Some unity build fixes.
* Some simplification of delegate code.
* Fixes for lots of existing code to use handle-based registration and unregistration.
#codereview robert.manuszewski
[CL 2400883 by Steve Robb in Main branch]
Properly set build as default if the project is code and user has compiler when using Quick Launch in UFE (similar to editor's Launch On)
#ufe
[CL 2393170 by Peter Sauerbrei in Main branch]
Implemented iterative deploy framework and iOS specific implementation
When utilizing iterative deploy in conjunction with incremental cooking only the changed items are pushed to the device resulting in potentially far faster iteration times.
#ios
#codereview daniel.lamb, marcus.wassmer, chris.babcock, josh.adams
[CL 2386082 by Peter Sauerbrei in Main branch]
UE-3402
Added check box to the advanced settings in build to build UAT as part of the launch
UE-3732
#ufe
[CL 2369278 by Peter Sauerbrei in Main branch]
#change Removed GGameName usage from code and replaced it with FApp::*GameName API
#change Added FApp::SetGameName(), FApp::IsGameNameEmpty()
#change Added IFileManager::GetFilenameOnDisk to get the correct case of a filename on disk
#change Renamed GGameName to GInternalGameName
[CL 2328446 by Robert Manuszewski in Main branch]
