Wuzzy's changes to climbhome w/ some tweaks by me

Reset max team health after script may have screwed with it on start. Maybe a script max health reset function could be useful too. Set climbhome hogs to invulnerable while not their turn if needed to avoid accidental mine/dead hog damage. Tweak cake fire boom a bit.

Move cake FollowGear to Attack like most others, remove the gmAttack clearing which is also done in Attack.

duplicate the ammoshove block into the falling fire area - this will make falling flames take out hogs in saucers, on rope, etc. no more dodging your own napalm strike by taking to the skies...

don't drown unplaced hedgehogs. thanks to zimmux and Wohlstand for reporting

some moar mergin'

super-filthy hack to allow pas2c to fallback to writing to stderr.

oops. no need to (re)open stderr I guess