Update virt-who to 0.22.1-1
    Resolves: #1542652 - When the -c option is used, don't parse the default files
    Resolves: #1569299 - try/exception needed for hypervisor_id check (wpoteat@redhat.com)
    Resolves: #1560461 - Make env and owner options required for approprite cases
    Resolves: #1554228 - Unicode issue on status update call (wpoteat@redhat.com)
    Resolves: #1387800 - [RFE] virt-who can report cluster in host-to-guest mapping
    Resolves: #1447022 - Log warning, when wrong filter is in config file
    Resolves: #1511644 - Support running virt-who on python 3 (csnyder@redhat.com)
    Resolves: #1520236 - Do not log traceback, when server returns 429 http error
    Resolves: #1492074 - Enable login to ESX using password with UTF-8 string
    Resolves: #1353119 - Add JSON-RPC support for VDSM (khowell@redhat.com)
    Resolves: #1509597 - Enable to use virt-who wih VDSM again (jhnidek@redhat.com)
    Resolves: #1522383 - Remove global option background (jhnidek@redhat.com)
    Resolves: #1523548 - Options log_dir and log_file are not ignored (jhnidek@redhat.com)