removed meta-community "Freifunk Ruhrgebiet" and "Freifunk Rheinland e.V."; 
fixes #67
readded rhein-neckar; removed ruhrgebiet
Merge pull request #73 from freifunk/RemovedMetaCommunities

removed meta-community "Freifunk Ruhrgebiet" and "Freifunk Rheinland e.V...