Merge pull request #3495 from gravitl/v0.99_fixes

update dns settigns on migration

Author: abhishek9686

migrate/migrate.go

@@ -202,6 +202,7 @@ func updateHosts() {
 			} else {
 				host.DNS = "no"
 			}
+			logic.UpsertHost(&host)
 		}
 	}
 }