Core/Scripts/SmartAI: removed test code

Core/CreatureTextMgr: added reload command
handle text from DB
handle grouped texts
handle repeatable/single texts based on probability
todo: sound/emote, code cleanup

--HG--
branch : trunk

sql/base/world_database.sql

@@ -643,6 +643,7 @@ INSERT INTO `command` VALUES
 ('reload creature_template','3','Syntax: .reload creature_template $entry\r\nReload the specified creature''s template.'),
 ('reload trinity_string',3,'Syntax: .reload trinity_string\nReload trinity_string table.'),
 ('reload waypoint_scripts',3,'Syntax: .reload waypoint_scripts\nReload waypoint_scripts table.'),
+('reload creature_text',3,'Syntax: .reload creature_text\r\nReload creature_text table.'),
 ('repairitems',2,'Syntax: .repairitems\r\n\r\nRepair all selected player''s items.'),
 ('reset',3,'Syntax: .reset $subcommand\nType .reset to see the list of possible subcommands or .help reset $subcommand to see info on subcommands'),
 ('reset achievements',3,'Syntax: .reset achievements [$playername]\r\n\r\nReset achievements data for selected or named (online or offline) character. Achievements for persistance progress data like completed quests/etc re-filled at reset. Achievements for events like kills/casts/etc will lost.'),