Qnx: Terminology and UI update of BlackBerry NDK options page

NDK renamed to API Level
Button group may extend vertically along the whole height of page
API Level Information area polished

Change-Id: Ie09faa76b966c0aea8918e746bd1bac9a7891f5c
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>
Reviewed-by: Nicolas Arnaud-Cormos <nicolas@kdab.com>
Reviewed-by: David Kaspar <dkaspar@blackberry.com>