* Monsters aim missiles at targets in different portal groups properly
* Slightly altered behavior of getTargetX/getTargetY
* Build portal map for fast a priori knowledge of what bm cells contain line portals
* LOS checks now work through line portals.
* Version bump to 3.40.37

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2493 86ba831e-150c-0410-ab35-e06eaae15ed9
Completed gamepad support.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2494 86ba831e-150c-0410-ab35-e06eaae15ed9