Tizen: Adapting to new Qt Quick Controls.

Removed Switch and BusyIndicator from QtQuick Controls Tizen,
now one from Qt Quick Controls are used.

Change-Id: I41d6a2d36b7a50320172d0804e5348780f65568f
Reviewed-by: Jarosław Staniek <staniek@kde.org>
Tizen: Added style for RadioButton. Examples adapted.

Change-Id: I89ef57cbd5a71e053707cd7804e1b355c4755a19
Reviewed-by: Jarosław Staniek <staniek@kde.org>