#add FClass and FClasses added to encapsulate (and ultimately replace) UClass and FClassTree.
#add StringUtils contains a bunch of string-related functions which were in FHeaderParser for no real reason.
#change Replaced FClassTree with UHT and fixed up all the code which was affected.
#codereview robert.manuszewski
[CL 2045258 by Steve Robb in Main branch]
ConstructorHelpers::FClassFinder used in QAGame and ShooterGame.
StaticLoadClass has the same default values like StaticLoadObject.
#codereview Nick.Whiting, Jaroslaw.Surowiec
[CL 2044119 by Maciej Mroz in Main branch]
#UE4 Significant performance increases for cooking/saving packages. Don't resize an array to number of existing objects in the export tagger, this can be > 1 million. Change the export name lookup table from a 2 million index array to a map.
#codereview robert.manuszewski
--------
Integrated using branch Ue4-To-UE4-Fortnite-Simple (reversed) of change#2038207 by Ben.Zeigler on 2014/04/01 18:52:10.
[CL 2040283 by Ben Zeigler in Main branch]
Phase 1
Added platform to the cooked file requests so that the cooker just cooks files for the requested platform.
Reviewed Daniel Wright
[CL 2038767 by Daniel Lamb in Main branch]
