Add BaseStaticFile model to core.models
Also continuing template and view work to return site to previous state
with new schema.
Rework of section image galleries complete

Page has_gallery attribute now correctly updated on gallery save or delete (previous problem was with behavior of admin buld delete, which does not call individual model instance delete() methods)
BUGFIX contact subheader image

NonDBImage fixed to match new BaseImage schema (added static_path)
Welcome page title fixed
googlemaps app schema remake mostly complete.

MultiMarkerMap has functionality of former SimpleMap. TODO is possible different model or template tag for tourisminfo maps, and static_map_url property.
Create 404 page
tourisminfo schema remake (inc. views, templates, admin) complete