Improved autosave semantics.

Autosaves no longer occur if you are standing still, sleeping, etc.
Suppress autosave in vehicles.
ACTUALLY suppressed saves in vehicles.
Fixed wildlife over-spawning
And finally, ACTUALLY improved autosave semantics.

Sleeping and waiting should now only give one autosave,
at the very beginning of the action.
Fixed accidental removal of wield-action code in wilderness patch
Added Items: display to inventory screen
(C-DDA): Made NPCs defend themselves when shot at.
Fixed a bug causing time to pass at ~double rate.
working towards a unified makefile
Added support for 32-bit linux. still need to figure out all the 32-bit deps
Added RELEASE mode to toggle optimizations
Don't halve lowlight_sight_range so outdoors aren't shadowy.
Indentation fix.
Only force a square to be un-shadowy when it's outside and in range to be illuminated naturally.
Moved some build info into COMPILING
merged from pre-dda mod
finally stopped npcs leaping to their death in a quest for some random cookie