Revert "Revert "Make the feed private, and add private datasets too""
Revert "Revert "Make the feed private, and add private datasets too""

This reverts commit 6a379054543f31db8cb6466284aaeb3d6d3b6bb1.

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