- firewall-cmd: several changes and fixes
    - code cleanup
    - fixed icmp protocol used for ipv6 (rhbz#801182)
    - added and fixed some comments
    - properly restore zone settings, timeout is always set, check for 0
    - some FirewallError exceptions were actually not raised
    - do not REJECT in each zone
    - removeInterface() don't require zone
    - new tests in firewall-test script
    - dbus_to_python() was ignoring certain values
    - added functions for the direct interface: chains, rules, passthrough
    - fixed inconsistent data after reload
    - some fixes for the direct interface: priority positions are bound to ipv,
      table and chain
    - added support for direct interface in firewall-cmd:
    - added isImmutable(zone) to zone D-Bus interface
    - renamed policy file
    - enhancements for error messages, enables output for direct.passthrough
    - added allow_any to firewald policies, using at leas auth_admin for policies
    - replaced ENABLE_FAILED, DISABLE_FAILED, ADD_FAILED and REMOVE_FAILED by
      COMMAND_FAILED, resorted error codes
    - new firewalld configuration setting CleanupOnExit
    - enabled polkit again, found a fix for property problem with slip.dbus.service
    - added dhcpv6-client to 'public' (the default) and to 'internal' zones.
    - fixed missing settings form zone config files in
      "firewall-cmd --list=all --zone=<zone>" call
    - added list functions for services and icmptypes, added --list=services and
      --list=icmptypes to firewall-cmd