Add Runtime/Engine/Private as and Engine private include path
Rename Engine/Private/Materials/MaterialInstance.h to MaterialInstanceSupport.h because it was causing ambiguities
Move cpp files from Classes and Public into Private
#codereview steve.robb, Robert.Manuszewski, nick.penwarden
[CL 2078806 by James Golding in Main branch]
TTP 335792. CRITICAL: Regression: ROCKET: Code Templates fail to generate project files).
Engine should be dependent on platform specific modules, use SetupNewlyLoadedModules instead.
#codereview peter.sauerbrei, ben.marsh
[CL 2078124 by Ankit Khare in Main branch]
Addresses TTP 332274 (mainly CrashReportClientApp.cpp changes) and
- Fixes hang on Linux (uploader wasn't honoring always-unattended setting)
- Fixed erroneous check warnings
- Removed code duplication between CrashReportClient platforms
- Error message now passed on for ensures as well as asserts
- Windows crash reporting multiple instance bail-out is now thread-safe
#CodeReview Bob.Tellez, Jaroslaw.Surowiec
[CL 2077477 by James Hopkin in Main branch]
#change Root module path added to include paths.
#change Plugins now write intermediates to the project folder.
#change All generated #includes are now relative.
#change Updated UHTDebugging.manifest to new format.
#change Android response files now use relative include paths to prevent overly-large response files.
#remove Rocket-specific UHT execution removed.
#remove iOS header hack removed.
#codereview robert.manuszewski,ben.marsh
[CL 2077472 by Steve Robb in Main branch]