minor script fixes

- restored leach.lua 1.1.1 compatibility (entity_*TargetLeaches still works)
- fixed possible script warning when picking up a collectible
- made energy bariers ignore damage

game_scripts/scripts/entities/energybarrier.lua

@@ -46,6 +46,7 @@ function v.commonInit(me)
 	entity_setActivationType(me, AT_NONE)
 	entity_setUpdateCull(me, 1024)
 	entity_alpha(me, 0)
+	entity_setAllDamageTargets(me, false)
 end
 
 function update(me, dt)

game_scripts/scripts/entities/leach.lua

@@ -114,7 +114,7 @@ function enterState(me)
 	elseif entity_getState(me)==STATE_ATTACHED then
 		entity_setEntityType(me, ET_NEUTRAL)
 		entity_setMaxSpeed(me, 0)
-		avatar_incrLeaches()
+		entity_incrTargetLeaches(me)
 		entity_sound(me, "Leach")
 		v.attachBone = entity_getNearestBoneToPosition(entity_getTarget(me), entity_getPosition(me))
 		--[[
@@ -132,7 +132,7 @@ end
 function exitState(me)
 	if entity_getState(me)==STATE_ATTACHED then
 --		entity_setState(STATE_IDLE)
-		avatar_decrLeaches()
+		entity_decrTargetLeaches(me)
 	elseif entity_isState(me, STATE_FLYOFF) then
 		entity_setState(me, STATE_IDLE)
 	end

game_scripts/scripts/include/collectibletemplate.lua

@@ -43,7 +43,7 @@ function v.commonInit(me, gfx, flag, cst)
 		v.back = true
 	end
 	
-	v.isCostume = cst
+	v.isCostume = cst or false
 end
 
 function v.commonUpdate(me, dt)