Remove unneeded import

Signed-off-by: Erik de Bruin <erik@ixsoftware.nl>
Added 'all' mobile component CSS to iOS7+ selector

Signed-off-by: Erik de Bruin <erik@ixsoftware.nl>
Prepare dpi specific styles for iOS7+

Integrated the 'status bar' fix (FLEX-33949) into the new dpi specific styles copied from the Android section.

Signed-off-by: Erik de Bruin <erik@ixsoftware.nl>