Magic numbers cleanup:

- Replace many magic numbers with constants
- Use enum for vehicle flags/seat flags
- Correct structure for ItemRandomSuffixEntry

--HG--
branch : trunk

src/server/game/AI/ScriptedAI/ScriptedSimpleAI.cpp

@@ -205,7 +205,7 @@ void SimpleAI::UpdateAI(const uint32 diff)
         return;
 
     //Spells
-    for (uint32 i = 0; i < 10; ++i)
+    for (uint32 i = 0; i < MAX_SIMPLEAI_SPELLS; ++i)
     {
         //Spell not valid
         if (!Spell[i].Enabled || !Spell[i].Spell_Id)