Move to XCode 4.6

Move to XCode 4.6 and some code clean up. More object interfaces to
follow. Also ObjC can delivery versus the CCArray interface.
CC(C)Array not needed

Removed additional overhead.
Optimizations with Profiler

Using the Profiler to find the time consuming elements and breaking
them apart.
Minor change

Object doesn't need to be checked.
Merge pull request #1 from barbalet/master

Group of barbalet updates