Added mmaps commands.

Port from Trinitycore, credits to its respective commiters.

data/sql/updates/db_world/2017_11_14_01.sql

@@ -0,0 +1,34 @@
+-- DB update 2017_11_14_00 -> 2017_11_14_01
+DROP PROCEDURE IF EXISTS `updateDb`;
+DELIMITER //
+CREATE PROCEDURE updateDb ()
+proc:BEGIN DECLARE OK VARCHAR(100) DEFAULT 'FALSE';
+SELECT COUNT(*) INTO @COLEXISTS
+FROM information_schema.COLUMNS
+WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'version_db_world' AND COLUMN_NAME = '2017_11_14_00';
+IF @COLEXISTS = 0 THEN LEAVE proc; END IF;
+START TRANSACTION;
+ALTER TABLE version_db_world CHANGE COLUMN 2017_11_14_00 2017_11_14_01 bit;
+SELECT sql_rev INTO OK FROM version_db_world WHERE sql_rev = '1510696617496219500'; IF OK <> 'FALSE' THEN LEAVE proc; END IF;
+--
+-- START UPDATING QUERIES
+--
+INSERT INTO version_db_world (`sql_rev`) VALUES ('1510696617496219500');
+
+DELETE FROM `command` WHERE `name`='mmap' OR `name` LIKE 'mmap%';
+DELETE FROM `command` WHERE `name` LIKE 'disable add mmap' OR `name` LIKE 'disable remove mmap';
+INSERT INTO `command` (`name`, `security`, `help`) VALUES 
+('mmap', 3, 'Syntax: Syntax: .mmaps $subcommand Type .mmaps to see the list of possible subcommands or .help mmaps $subcommand to see info on subcommands'),
+('mmap path', 3, 'Syntax: .mmap path to calculate and show a path to current select unit'),
+('mmap loc', 3, 'Syntax: .mmap loc to print on which tile one is'),
+('mmap loadedtiles', 3, 'Syntax: .mmap loadedtiles to show which tiles are currently loaded'),
+('mmap stats', 3, 'Syntax: .mmap stats to show information about current state of mmaps'),
+('mmap testarea', 3, 'Syntax: .mmap testarea to calculate paths for all nearby npcs to player');--
+-- END UPDATING QUERIES
+--
+COMMIT;
+END;
+//
+DELIMITER ;
+CALL updateDb();
+DROP PROCEDURE IF EXISTS `updateDb`;