Clean up old (and partially unused) Aggro() function and use EnterCombat() instead + fix some minor enum-typos (INTURRUPT -> INTERRUPT)

(fix by Azazel)

--HG--
branch : trunk

src/server/scripts/World/boss_emeriss.cpp

@@ -59,7 +59,7 @@ struct boss_emerissAI : public ScriptedAI
         m_uiCorruptionsCasted = 0;
     }
 
-    void Aggro(Unit* /*pWho*/)
+    void EnterCombat(Unit* /*pWho*/)
     {
         DoScriptText(SAY_AGGRO, me);
     }

src/server/scripts/World/boss_taerar.cpp

@@ -173,7 +173,7 @@ struct boss_taerarAI : public ScriptedAI
         {
             if (Unit* pTarget = SelectUnit(SELECT_TARGET_RANDOM, 0))
             {
-                //Inturrupt any spell casting
+                //Interrupt any spell casting
                 me->InterruptNonMeleeSpells(false);
 
                 //horrible workaround, need to fix

src/server/scripts/World/npcs_special.cpp

@@ -1691,7 +1691,7 @@ struct mob_mojoAI : public ScriptedAI
         if (Unit* own = me->GetOwner())
             me->GetMotionMaster()->MoveFollow(own,0,0);
     }
-    void Aggro(Unit * /*who*/){}
+    void EnterCombat(Unit * /*who*/){}
     void UpdateAI(const uint32 diff)
     {
         if (me->HasAura(20372))