updated Gradle version

reduced memocry usage of package synchronization

updated dependencies

jpacrepo-client/src/main/java/net/woggioni/jpacrepo/client/JpacrepoCli.java

@@ -83,7 +83,6 @@ public class JpacrepoCli implements Runnable {
         }
         prop.put(Context.SECURITY_PRINCIPAL, rpcUsername);
         prop.put(Context.SECURITY_CREDENTIALS, rpcPassword);
-
         prop.put("jboss.naming.client.ejb.context", true);
         return new InitialContext(prop);
     }