Complete traits redesign for 5.5

Hi, I'm going to take a deep look into trait implementation and provide a better solution for 5.5. The current implementation is really wired and makes a lot of troubles for maintenance and each new fix, makes new troubles :( I'm really sorry, I didn't pay enough attention to treats before 5.4 release :( The new solution may significantly change implementation and even behavior in some cases (e.g https://bugs.php.net/bug.php?id=62069). I'm going to work on it with top priority during last few days and then send a patch. Any ideas are welcome... Thanks. Dmitry.