Better handling of eof_mp3 events: Keep playing as long as there is data remaining.

src/esmp3.cpp

@@ -109,7 +109,7 @@ void audio_id3data(const char *info){  //id3 metadata
 }
 void audio_eof_mp3(const char *info){  //end of file
     Serial.print("eof_mp3     ");Serial.println(info);
-	controller.next_track();
+	controller.eof_mp3();
 }
 void audio_showstation(const char *info){
     Serial.print("station     ");Serial.println(info);