version-0.5.6

• fixed to free details in compat netdev and lease destroy.
• systemd: removed requisite=wickedd from wicked.service
  This dependency triggered an automatic wicked.service (network)
  restart, when the wickedd.service is restarted (bnc#859801).
• client: enable compat suse only, install ifcfg-lo
• client: initial ifcfg support for macvlan, fixed flags and lower-device
  dependencies in the schema (fate#315131)
• client: Changing ifcheck to be more robust