Status bar visibility can be controlled and window geometry can be
adjusted accordingly. Default show to showMaximized instead of
showFullScreen. This means that by default application starts status
bar visible.
[ChangeLog][winphone][Important Behavioral Changes] By default
application starts status bar visible.
Task-Id: QTBUG-48282
Change-Id: Ia60edd53ec2a7181aa97d21a825600b7c8cf87a7
Reviewed-by: Andrew Knight <andrew.knight@intopalo.com>