Make OnSameTeam work with buildables.
Add generic crush and weight damage.
Move crush and weight damage constants to unvanquished.h.
Remove granger fall damage.
Small cleanups.
Increase dretch health 25 → 35.
Increase RGS range 750 → 1000.
Merge branch 'gameplay/master' into gameplay/viech
Add dretch pounce.
Add tutorial text for dretch pounce.
When pouncing off a wall or ceiling, attempt to calculate a trajectory that leads to the surface the player aims at.
Fix using uninitialized memory for wallpounce trajectory calculation.
Allow wallwalkers to attach to the ceiling with a jump or pounce.

Cleanup PM_GroundClimbTrace a bit.
Merge branch 'gameplay/master' into gameplay/viech
Add dretch pounce to help menu.
Decrease dretch pounce range 400 → 300, increase cooldown 1600 → 2000.
Merge branch 'gameplay/master' into gameplay/viech
Use g_debugMove = 1 for high level debug messages, move low level ones to g_debugMove = 2.
Make it easier to wallpounce on and off the ceiling.
Move duplicate code to PM_PlayJumpingAnimation.