Merge pull request #1498 from seanpaultaylor/next

Changed std::addressof to cast. Fixes compiler error on BB10
Merge pull request #1499 from seanpaultaylor/next

Removing PlatformBlackBerry as PlatformAndroid now supported on BlackBerry 10
Merge pull request #1500 from seanpaultaylor/next

Fixed the PlatformMacOSX resize issue.
Fixes for missing platform files.