Core/Misc: Update page text locale to simple system

sql/updates/world/2015_04_11_03_world.sql

@@ -0,0 +1,12 @@
+DROP TABLE IF EXISTS `locales_page_text`;
+
+DROP TABLE IF EXISTS `page_text_locale`;
+CREATE TABLE IF NOT EXISTS `page_text_locale` (
+  `ID` MEDIUMINT(8) UNSIGNED NOT NULL DEFAULT '0',
+  `locale` VARCHAR(4) NOT NULL,
+  `Text` TEXT,
+  `VerifiedBuild` SMALLINT(5) DEFAULT '0'
+) ENGINE=MYISAM DEFAULT CHARSET=utf8;
+
+ALTER TABLE `page_text_locale`
+ ADD PRIMARY KEY (`ID`,`locale`);