issue #1529:use NSUserDefault to implement CCUserDefault on iOS
issue #1529:CCUserDefault -> user_default
issue #1529:use NSUserDefaults on iOS and SharedPreferences on Android to implement CCUserDefault
issue #1529:modify marmalade and native client project configuration
issue #1529:add user_default into vs2010 project
issue #1529:update xcode template
Merge pull request #2113 from minggo/refactor-ccuserdefault

Refactor ccuserdefault