WINTERMUTE: Swap flip bits
WINTERMUTE: Force angle normalization

This fixes the issues in J.U.L.I.A.
WINTERMUTE: Fix alpha bug in engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp

This fixes the "TV static" bug in J.U.L.I.A.
WINTERMUTE: *transform as pointer in transform_tools
WINTERMUTE: Rename rotate() -> rotoscale() for consistency
WINTERMUTE: Deprecate setAlphaMod, setColorMod
WINTERMUTE: Reinstate rgbaMod comparisons for compare-tickets
WINTERMUTE: Use constants from transform_tools for consistency