Add hard dependency on qtjsondb to qtlocation.
Add hard dependency on qtjsondb to qtlocation.

Currently there is a soft dependency on qtjsondb. This change makes
it a hard dependency.

Change-Id: Id6bd0655b47bb5e82f286e3beb35a106599766a1
Reviewed-by: Aaron McCarthy <19f0c2781a6d2138802be69a27973bb2f9d34578@nokia.com>

kobolabs/qtlocation,amccarthy/qtlocation,amccarthy/qtlocation,kobolabs/qtlocation,kobolabs/qtlocation,amccarthy/qtlocation