Initial checkin for Smidsy cobrand
Copy osm.html to be able to override config
[NO NOT MERGE] OSM map - allow pin directory override

Note: as per matthew "that'll break every other OpenLayers map view
besides OSM, won't it?"

perhaps just set variable directly "later on when the fixmystreet
variable exists, in openlayers.html or by having a subclass template
that doesn't need to duplicate anything)"
Expand area_types