#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]
Device Services Refactoring to create the concept of a physical device.
Game launcher and device viewer UI changes to show these new concepts.
#codereview Max.Preussner, Matt.Kuhlenschmidt
[CL 2290918 by Chris Gagnon in Main branch]