*Add virtual bool IsEscorted() to escort_ai.h

*Some minor cleanup and optimization

--HG--
branch : trunk

src/game/CreatureAI.h

@@ -123,7 +123,7 @@ class TRINITY_DLL_SPEC CreatureAI : public UnitAI
 
         // Called when the creature is target of hostile action: swing, hostile spell landed, fear/etc)
         //virtual void AttackedBy(Unit* attacker);
-        virtual bool IsEscorted() {return false;}
+        virtual bool IsEscorted() { return false; }
 
         // Called when creature is spawned or respawned (for reseting variables)
         virtual void JustRespawned() { Reset(); }