content update for recent removal of CCObject
Merge remote-tracking branch 'upstream/master'
added a test case for a codeplex issue.
Added windows phone conditionals for serialization. need to add back the literal parsing of these types.
Merge pull request #92 from mono/master

Replace Create factory methods with constructors - CCSpeed, CCBezierXX
little more work on box2d.
Merge remote-tracking branch 'upstream/master'
Replace Create factory methods with constructors - CCSkewXX