default back to default servers if no other backends discovered
default back to default servers if no other backends discovered

johnmccabe/synapse,lsjostro/synapse,EasonYi/synapse,bobtfish/synapse,tdooner/synapse,gini/synapse,bcicen/synapse,hankya/synapse,bobtfish/synapse,democracyworks/synapse,dallasmarlow/synapse,Yelp/synapse,claydotio/synapse,freiheit-com/synapse,StephanErb/synapse,jolynch/synapse,asiragusa/synapse,yonglehou/synapse-1,airbnb/synapse