Added AnnounceNewTrack config bool

Added a new boolean named AnnounceNewTrack that has the ability to
disable the song information upon playing the track.

config.gcfg

@@ -34,6 +34,10 @@ MaxSongPerPlaylist = 50
 # Default Value: false
 AutomaticShuffleOn = false
 
+# Announce song information at start of track
+# Default Value: true
+AnnounceNewTrack = true
+
 [Cache]
 
 # Cache songs as they are downloaded?

parseconfig.go

@@ -24,6 +24,7 @@ type DjConfig struct {
 		MaxSongDuration    int
 		MaxSongPerPlaylist int
 		AutomaticShuffleOn bool
+		AnnounceNewTrack   bool
 	}
 	Cache struct {
 		Enabled     bool

youtube_dl.go

@@ -91,8 +91,9 @@ func (dl *AudioTrack) Play() {
 		if !isNil(dl.playlist) {
 			message = fmt.Sprintf(message+`<tr><td align="center">From playlist "%s"</td></tr>`, dl.Playlist().Title())
 		}
-		dj.client.Self.Channel.Send(message+`</table>`, false)
-
+		if dj.conf.General.AnnounceNewTrack == true {
+			dj.client.Self.Channel.Send(message+`</table>`, false)
+		}
 		go func() {
 			dj.audioStream.Wait()
 			dj.queue.OnSongFinished()