Add night property to MapType.

Similar to the mobile property this property allows applications to
determine if the tile set is optimized for night time use.

Change-Id: Ibaaffe6f745d90817b5938f493742fb019be0312
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
Add mobile optimized pedestrian maps to Nokia/HERE plugin.

The description of the existing pedestrian maps falsely indicated that
they were mobile optimized. The mobile wording has been removed and
actually mobile optimized maps have been added.

Change-Id: I48f7ea043cfbe424508fc783adabef47f283d2e9
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>