resolve problem with iOS archive and validation by reverting a cmake setting that is not valid for iOS and setting an install directory
Updated the default icon sets for android and ios to be the moai logo
Added iOS7 required icon sizes and Default launch Image.
There is no 60px Icon, only 120 so rename.
Add default.png that will help fulfill the attribution requirements on ios
Merge pull request #918 from moaiforge/pull-ios-host-fixes

Fix default iOS project so that it can build archive and pass validation on submission