turn logging on by default, also make Provide not fail when no peers connected

cmd/ipfs/ipfs.go

@@ -62,7 +62,7 @@ func ipfsCmd(c *commander.Command, args []string) error {
 }
 
 func main() {
-	// u.Debug = true
+	u.Debug = true
 	err := CmdIpfs.Dispatch(os.Args[1:])
 	if err != nil {
 		if len(err.Error()) > 0 {

cmd/ipfs/mount_unix.go

@@ -30,7 +30,6 @@ var cmdIpfsMount = &commander.Command{
 }
 
 func mountCmd(c *commander.Command, inp []string) error {
-	u.Debug = false
 	if len(inp) < 1 || len(inp[0]) == 0 {
 		u.POut(c.Long)
 		return nil

routing/dht/routing.go

@@ -194,7 +194,7 @@ func (dht *IpfsDHT) FindProviders(ctx context.Context, key u.Key) ([]*peer.Peer,
 	u.DOut("Find providers for: '%s'\n", key)
 	p := dht.routingTables[0].NearestPeer(kb.ConvertKey(key))
 	if p == nil {
-		return nil, kb.ErrLookupFailure
+		return nil, nil
 	}
 
 	for level := 0; level < len(dht.routingTables); {