amd64 fixes
allow universal binaries to be built using Xcode 2.2 or later
divide negative window x-coordinates properly, fixing random crashes
add main as an include path for strutil.c, should have done this on 2006-02-26
fix assemble error for gas (fix bug #2312)
divide negative light rates of change properly (fix bug #2575)
only autoselect a secondary weapon if the player didn't have any of that type before (fix bug #2671)
avoid loading OpenGL textures before they have been paged in, bug found by loading Abalyon 5
fix screenshot corruption, use PhysicsFS to check for existing screenshots
small brace tidy up to allow a source code editor to list all the functions
always show bomb count if player has them
move PhysicsFS initialisation, search path setup and argument reading to physfsx.h
move titles, loading screen and order form showing to titles.c
move hoard data saving from main to save_hoard_data
make the thumbnail properly when doing fast save in d2xgl
add references to headers in main for SCM and batch find
only free the gauge canvases when they exist
don't allow MPW build to run in OS X (it won't work and doesn't need to)
fix crash when a robot's guided missile explodes
fix error when building editor with RELEASE