Use notice instead of normal message.

- This should avoid notifications in clients.

matrix/matrix.go

@@ -61,7 +61,7 @@ func Listener(storage *spaceapi.Storage, homeServer, userID, token, room string)
 
 		switch body {
 		case txt.CommandHelp:
-			if _, err := cli.SendText(room, txt.HelpMessage); err != nil {
+			if _, err := cli.SendNotice(room, txt.HelpMessage); err != nil {
 				log.Printf("Error sending message: %s", err)
 			}
 		case txt.CommandState:
@@ -77,7 +77,7 @@ func Listener(storage *spaceapi.Storage, homeServer, userID, token, room string)
 				}
 			}
 
-			if _, err := cli.SendText(room, msg); err != nil {
+			if _, err := cli.SendNotice(room, msg); err != nil {
 				log.Printf("Error sending message: %s", err)
 			}
 		case txt.CommandClose, txt.CommandClosed:
@@ -110,7 +110,7 @@ func Listener(storage *spaceapi.Storage, homeServer, userID, token, room string)
 			msg = txt.TransitionToClosed
 		}
 
-		if _, err := cli.SendText(room, msg); err != nil {
+		if _, err := cli.SendNotice(room, msg); err != nil {
 			log.Printf("Error sending Matrix message: %s", err)
 		}
 	}, nil