Core/Spells: Implemented using dbc spellpower/ap coeffiecients for spells

sql/updates/auth/2014_12_19_00_auth.sql

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+DELETE FROM `rbac_permissions` WHERE `id`=692;
+DELETE FROM `rbac_linked_permissions` WHERE `linkedId`=692;

sql/updates/world/2014_12_19_01_world.sql

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+DROP TABLE IF EXISTS `spell_bonus_data`;
+DELETE FROM `command` WHERE `name`='reload spell_bonus_data';