[openguides-tickets] [OpenGuides] #231: Use osm tiles

#231: Use osm tiles -----------------------------------+---------------------------------------- Reporter: dom | Owner: dom Type: defect | Status: new Priority: normal | Milestone: Component: oxford.openguides.org | Version: svn Severity: normal | Keywords: -----------------------------------+---------------------------------------- Rather then the old demo tiles from the mapnik server, use tile.osm tiles as per demo at http://media.mapnik.org/oxford-osm.html

(ultimately, work this into the main distribution)