Security policy in 2.0 breaks JConsole and VisualVM

Adding these lines to org.elasticsearch.bootstrap.ESPolicy will make a huge difference :slight_smile:

@Override
public PermissionCollection getPermissions(CodeSource codesource) {
    PermissionCollection pc = template.getPermissions(codesource);
    for (Enumeration<Permission> en = dynamic.elements(); en.hasMoreElements(); ) {
        pc.add(en.nextElement());
    }
    return pc;
}