Nr.10 edited 'Menu','Sound','battlship.properties' and 'battleship_de.properties'

edited the property files to ensure, that in the menu the background music on/off and the background volume slider are named in eng and german, edited the childnotes for
the menu, so the checkbox and slider are visible, edited the enum Suonds, for another entry 'BACKGROUNDMUSIC'

Projekte/battleship/model/src/main/java/pp/battleship/notification/Sound.java

@@ -22,5 +22,10 @@ public enum Sound {
     /**
      * Sound of a ship being destroyed.
      */
-    DESTROYED_SHIP
+    DESTROYED_SHIP,
+
+    /**
+     *
+     */
+    BACKGROUND_MUSIC //TODO
 }

Projekte/battleship/model/src/main/resources/battleship.properties

@@ -37,3 +37,5 @@ dialog.error=Error
 dialog.question=Question
 port.must.be.integer=Port must be an integer number
 map.doesnt.fit=The map doesn't fit to this game
+background.music.checkbox= Background music on/off
+background.music.volume= Background volume

Projekte/battleship/model/src/main/resources/battleship_de.properties

@@ -37,3 +37,6 @@ dialog.error=Fehler
 dialog.question=Frage
 port.must.be.integer=Der Port muss eine ganze Zahl sein
 map.doesnt.fit=Diese Karte passt nicht zu diesem Spiel
+background.music.checkbox= Musik an/aus
+background.music.volume= Musiklautstärke
+