update to 0.2.17
    
    - added 'enterprise-storage' profile
    - added support for architecture-specific configuration files
    - special sysctl setting for s390x arch in 'throughtput-performance'
      profile
    - apply I/O scheduler setting to device mapper devices
    - workaround for hal-disable-polling bug
    - fixed problem with network cards that provide unparsable supported
      network modes (#620686)