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

src/server/game/Chat/Chat.h

@@ -450,6 +450,7 @@ class ChatHandler
         bool HandleReloadAuctionsCommand(const char* args);
         bool HandleReloadWpScriptsCommand(const char* args);
         bool HandleReloadConditions(const char* args);
+        bool HandleReloadCreatureText(const char* args);
 
         bool HandleResetAchievementsCommand(const char * args);
         bool HandleResetAllCommand(const char * args);