added solution for exercise 11

added a checkbox to start a server from your client
copied the server to the client and removed its main method and changed the constructor to public

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

@@ -22,6 +22,7 @@ button.no=No
 button.ok=Ok
 button.connect=Connect
 button.cancel=Cancel
+host.own.server=Host server
 server.dialog=Server
 host.name=Host
 port.number=Port

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

@@ -23,6 +23,7 @@ button.ok=Ok
 button.connect=Verbinde
 button.cancel=Abbruch
 server.dialog=Server
+host.own.server=Server starten
 host.name=Host
 port.number=Port
 wait.its.not.your.turn=Warte, Du bist nicht dran!!