Merge pull request #14 from HackTheOxidation/proxy

change of acl-variable to be private final

Author: RasmusUK

src/main/java/printserver/server/Proxy.java

@@ -4,7 +4,7 @@
 import java.util.List;
 
 public class Proxy extends PrintServant{
-    static List<String> acl;
+    private final List<String> acl;
 
     public Proxy(List<String> access) throws RemoteException {
         super();