Added #include "z_zone.h" in some acs_*.cpp modules which needed to include system headers.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2478 86ba831e-150c-0410-ab35-e06eaae15ed9
osx: Removed in_stats from xcodeproj

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2479 86ba831e-150c-0410-ab35-e06eaae15ed9
osx: changed build architecture back to 32+64 universal, and gave an option in the front-end to choose 32-bit execution for diagnostics.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2480 86ba831e-150c-0410-ab35-e06eaae15ed9
Changed CAM_CheckSight to take a structure that has some helper methods for setting it up from the input objects (cameras/Mobjs).

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2481 86ba831e-150c-0410-ab35-e06eaae15ed9
Code to bring in and track the initial groupids of camera and target during LOS checks.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2482 86ba831e-150c-0410-ab35-e06eaae15ed9
Save starting cx/cy and tx/ty coordinates in camsight_t structure

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2483 86ba831e-150c-0410-ab35-e06eaae15ed9