Build 4500
SVN-
General
Test commit to make sure synthesis works.
SVN handles and Git names are merged into one person.
Test commit to make sure synthesis works.
Revert window fullscreen stuff until we have aspect-correct upscaling
pass.
Add some useful preprocessor definition to the checked-in MSVC project
Fix crash with GTK+SDL2 on startup and use windowed fullscreen instead of
exclusive fullscreen.