#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]
#change FDurationTimer and FScopedDurationTimer moved from BP commandlet to ProfilingDebugging.
#add New FScopedDurationTimeLogger added for auto-logging the lifetime of the object.
#codereview robert.manuszewski,mike.beach
[CL 2138416 by Steve Robb in Main branch]
- Platform memory
- Added LogMemory to log all memory related things
- Separated PlatformMemory stats from Allocator stats, added MemoryAllocator group for allocator stats, added MemoryPlatform for platform memory specific stats, stats for these groups are updated once per frame in FEngineLoop::Tick, stats are duplicated, so they can be accessed if STATS is not enabled
- Removed outdated code, references to unsupported platforms like PS3 or Xbox360
- Updated MallocProfiler to support these changed, increased malloc profiler file version to 4
- From now FGenericPlatformMemory.GetStats contains FPlatformMemoryConstants so there is no need to call the second method
- Improved memory reporting for Windows platform, other platforms need to be updated separately
- Misc tweak and fixes
#codereview Robert.Manuszewski
[CL 2038526 by Jaroslaw Surowiec in Main branch]
