corrected geometry relations of strangly connected polygons
added tags to allow foot and bicycle traffic
added admin_centre to Landkreise
removed Olpe place=city node from random geometry
added right admin_centre to Gemeinde Cosefeld
added admin_centre to Landkreise
added prefix information to Landkreis so that they conform to the official names used
added admin_centre to Landkreise
corrected removed node from border
corrected boundaries in Saxony
corrected boundary Freiberg/Pirna
corrected boundary Kreis Pirna
added admin_centre to Gemeinden, changed some gemeinde name informations