Update install.rst to reflect current reality
Update install.rst to reflect current reality

CivicVision/datahub,openspending/spendb,nathanhilbert/FPA_Core,USStateDept/FPA_Core,johnjohndoe/spendb,openspending/spendb,CivicVision/datahub,USStateDept/FPA_Core,spendb/spendb,CivicVision/datahub,nathanhilbert/FPA_Core,johnjohndoe/spendb,johnjohndoe/spendb,pudo/spendb,spendb/spendb,spendb/spendb,pudo/spendb,USStateDept/FPA_Core,nathanhilbert/FPA_Core,pudo/spendb,openspending/spendb