dir now returns a string instead of bytes
  (aria.paradkar@gmail.com)
- Added generic set/unset and add/remove commands to syspurpose
  (crog@redhat.com)
- ENT-488 syspurpose now warns if running in container (nmoumoul@redhat.com)
- 1574706: Create python2-subscription-manager-rhsm properly
  (jhnidek@redhat.com)
- Automatic rebuilding of updates.img on PXE Server (jhnidek@redhat.com)
- 1574529: Fix rhsmcertd integer overflow on i386 & i686 (csnyder@redhat.com)
- Respecting proxy port configured in rhsm.conf (oskar@wycislak.pl)