puzzles-r9773
Merge branch 'sgt-puzzles'
Pull puzzles source from tarball rather than svn

Tarball includes built icon images and version number, not in svn.
Add Makefile target to update_puzzles_source from SGT-published version.
Makefile build img dir
Makefile publish target
Refactor C memory monitoring code into separate script
Shrink memory some more; turn off live mem monitoring
Display end-of-game messages