Merge branch '4.3.4' of https://gitlab.com/trinitycore/TrinityCore_434 into 4.3.4

sql/updates/world/4.3.4/2018_04_26_00_world.sql

@@ -0,0 +1,5 @@
+--
+DELETE FROM `terrain_swap_defaults` WHERE `MapId` IN (1,654);
+INSERT INTO `terrain_swap_defaults` (`MapId`, `TerrainSwapMap`, `Comment`) VALUES
+(1, 719, 'Mount Hyjal default terrain'),
+(654, 638, 'Gilneas default terrain');