DB/Creature: fix regenerating health for vehicles in Wintergrasp and BGs

Closes #950

sql/updates/world/3.3.5/2017_03_31_00_world.sql

@@ -0,0 +1,23 @@
+UPDATE `creature_template` SET `RegenHealth`=0 WHERE `entry` IN (
+/* Wintergrasp */
+27881, -- Wintergrasp Catapult
+28094, -- Wintergrasp Demolisher
+28312, -- Wintergrasp Siege Engine
+28366, -- Wintergrasp Tower Cannon
+32627, -- Wintergrasp Siege Engine
+
+/* Strand of the Ancients */
+27894, 32795, -- Antipersonnel Cannon
+28781, 32796, -- Battleground Demolisher
+
+/* Isle of Conquest*/
+34775, 35415, -- Demolisher
+34776, 35431, -- Siege Engine
+34793, 35413, -- Catapult
+34802, 35419, -- Glaive Thrower
+34929, 35410, -- Alliance Gunship Cannon
+34935, 35427, -- Horde Gunship Cannon
+34944, 35429, -- Keep Cannon
+35069, 35433, -- Siege Engine
+35273, 35421  -- Glaive Thrower
+);