*Fix the bug that grobbulus spams mutating injection.

*Fix the bug that kelthuzad enter evade mode immediately after enter combat.

--HG--
branch : trunk

src/bindings/scripts/scripts/zone/naxxramas/boss_grobbulus.cpp

@@ -96,8 +96,9 @@ struct TRINITY_DLL_DECL boss_grobbulusAI : public ScriptedAI
                     return;
                 case EVENT_INJECT:
                     if(Unit *target = SelectUnit(SELECT_TARGET_RANDOM, 0))
+                        if(!target->HasAura(SPELL_MUTATING_INJECTION))
                             DoCast(target, SPELL_MUTATING_INJECTION);
-                    events.ScheduleEvent(EVENT_INJECT, 8000 + 12000 * me->GetHealth() / me->GetMaxHealth());
+                    events.ScheduleEvent(EVENT_INJECT, 8000 + 12000 * ((float)me->GetHealth() / me->GetMaxHealth()));
                     return;
             }
         }

src/bindings/scripts/scripts/zone/naxxramas/boss_kelthuzad.cpp

@@ -214,7 +214,7 @@ struct TRINITY_DLL_DECL boss_kelthuzadAI : public ScriptedAI
         if(Phase == 1)
         {
             m_creature->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NON_ATTACKABLE);
-            EnterEvadeMode();
+            //EnterEvadeMode();
             //SummonWasters_Timer at far positon
             if ( SummonWasters_Timer< diff)
             {