added class method for SyncManager for contacting home institutions, to be called by admin (todo) and post ingestion
added class method for SyncManager for contacting home institutions, to be called by admin (todo) and post ingestion

pansapiens/mytardis,steveandroulakis/mytardis,iiman/mytardis,iiman/mytardis,steveandroulakis/mytardis,iiman/mytardis,pansapiens/mytardis,pansapiens/mytardis,pansapiens/mytardis,steveandroulakis/mytardis