Capture integration test output

integration/test.sh

@@ -13,7 +13,7 @@ go build json.go
 start() {
 	echo "Starting..."
 	for i in 1 2 3 4 ; do
-		STPROFILER=":909$i" syncthing -home "h$i" &
+		STPROFILER=":909$i" syncthing -home "h$i" > "$i.out" 2>&1 &
 	done
 }