Configured supportedInterfaceOrientations in classes and tweaked storyboard

Now only UpgradeView is allowed to use all orientations.
Add the following to all new ViewControllers to limit them to
Portrait-Mode:

- (NSUInteger)supportedInterfaceOrientations
{

    return UIInterfaceOrientationMaskPortrait;
}
Added supportedInterfaceOrientations in ScoreManager