issue #2800:Can not hide status bar on iOS 7
fixed #2800:User prefersStatusBarHidden in RootViewController on IOS 7 to hide status.
issue #2800:Can not hide status bar on iOS 7
fixed #2800:User prefersStatusBarHidden in RootViewController on IOS 7 to hide status.
issue #2800:Can not hide status bar on iOS 7
fixed #2800:User prefersStatusBarHidden in RootViewController on IOS 7 to hide status.
Merge pull request #3590 from Dhilan007/develop

issue #2800:Can not hide status bar on iOS 7