BEER-34 #comment add "main_loc" field to the Place schema, to designate the handful of Places that have multiple Locations
BEER-34 cleaned up server "articles" controller so Feed.getFeed handles preprocessing items itself
BEER-34 #comment update Feed Schema > getFeed to allow sending "authorId" = multiple comma separated authors, and return Feeds for all matching
BEER-34 #comment if the Place we are loading a Feed for has a "main_loc" field, then query Feeds with "author" matching this Place or the main_loc Place