[7776] Completed implementation of CMSG_SPELLCLICK Author: arrai

For vehicles, you have to add the correct SPELL_AURA_CONTROL_VEHICLE spells to
    npc_spellclick_spells, otherwise you won't be able to use them

--HG--
branch : trunk

sql/updates/3148_mangos_7776_01_world_npc_spellclick_spells.sql

@@ -0,0 +1,8 @@
+ALTER TABLE db_version CHANGE COLUMN required_7720_01_mangos_mangos_string required_7776_01_mangos_npc_spellclick_spells bit;
+
+CREATE TABLE `npc_spellclick_spells` (
+    `npc_entry` INT UNSIGNED NOT NULL COMMENT 'reference to creature_template',
+    `spell_id` INT UNSIGNED NOT NULL COMMENT 'spell which should be casted ',
+    `quest_id` INT UNSIGNED NOT NULL COMMENT 'reference to quest_template',
+    `cast_flags` TINYINT UNSIGNED NOT NULL COMMENT 'first bit defines caster: 1=player, 0=creature; second bit defines target, same mapping as caster bit'
+) ENGINE = MYISAM DEFAULT CHARSET=utf8;