TSAGE: R2R - Fix bug in Scene 1950
TSAGE: R2R - Fix missing variable initialization
FULLPIPE: Consolidate lift-related functions in one file
FULLPIPE: Move message handlers into separate file
FULLPIPE: Move sceneIntro to separate file
FULLPIPE: Move scene01 to separate file
FULLPIPE: Move scene02 to separate file
FULLPIPE: Move scene03 into separate file
FULLPIPE: Moved sceneDbg to a separate file
FULLPIPE: Reduce header dependency
OPENGL: Fix texture re-allocation check

This fixes a crash when opening the menu in the SCI Laura Bow 2 intro.
TSAGE: R2R - Document a fix, remove useless braces