Core/Code: Unify codestyle for brackets: {} to { }.

Also added missing copyright to some files.

src/server/game/AI/ScriptedAI/ScriptedFollowerAI.h

@@ -22,7 +22,7 @@ class FollowerAI : public ScriptedAI
 {
     public:
         explicit FollowerAI(Creature* creature);
-        ~FollowerAI() {}
+        ~FollowerAI() { }
 
         //virtual void WaypointReached(uint32 uiPointId) = 0;