simplify default dimension metadata URLs. 
simplify default dimension metadata URLs. 
pudo/spendb,CivicVision/datahub,spendb/spendb,USStateDept/FPA_Core,spendb/spendb,pudo/spendb,openspending/spendb,openspending/spendb,spendb/spendb,nathanhilbert/FPA_Core,CivicVision/datahub,pudo/spendb,johnjohndoe/spendb,USStateDept/FPA_Core,johnjohndoe/spendb,USStateDept/FPA_Core,openspending/spendb,CivicVision/datahub,johnjohndoe/spendb,nathanhilbert/FPA_Core,nathanhilbert/FPA_Core