MAJOR CHANGE! READ COMMIT LOG! MUST UPDATE ASSETS!

Changes:
- Updates to the assets, see repo commit log
- added verify function to check intenral expected data version
  against pscdata*.dat version (tracked in pscdata1.dat)
- added buttons to starmap, textures are in pscdata1.dat
- reactivated pscdata1.dat as a valid file.  Old contents were
  corrupt
- More minor edits to the starmap.