sparql test to retrieve states and (kreisfreie) cities of germany
remove now unused dcterms prefix
also include top level cities like Berlin
filter the two non state results
add query for community subcategories
implement communities
rename SparqlTest to SparqlClient
add vcr
add basic specs for SparqlClient states and cities
ensure that city states are present
initialize states with help of sparql
dont require SparqlClient
add rake task for db:seed