New version 31.20-1
    
    - Move code to exctract kernel version from tar to utils (jkonecny)
    - Add link for our translations to README (#1729788) (jkonecny)
    - Change Makefile zanata client check from pkg to bin (jkonecny)
    - Add recommendation to release process guide (jkonecny)
    - Remove unnecessary step from release in mock doc (jkonecny)
    - Fix mock release dependency in a mock (jkonecny)
    - Fix: Simplify the code for creating container store rows (vponcova)
    - Fix a docstring of add_device (vponcova)
    - Get the current device type only once (vponcova)
    - Move the code for getting the name of the new root (vponcova)
    - LiveImagePayload: move some functions to utils.py (rvykydal)
    - LiveImagePayload: replace PostInstallTask with UpdateBLSConfigurationTask
      (rvykydal)
    - LiveImageHandler: make API and implementation method names consistent
      (rvykydal)
    - LiveImageHandler: use more descriptive names for installation tasks
      (rvykydal)
    - LiveImagePayload: Do not provide API for setting of required space (rvykydal)
    - LiveImageHandler: prevent reusing of DownloadProgress instance (rvykydal)
    - LiveImageHandler: simplify using of SetupInstallationSourceImageTask result
      (rvykydal)
    - LiveImageHandler: simplify using of CheckInstallationSourceImageTask result
      (rvykydal)
    - LiveImageHandler: remove interfaces for task results we don't need (rvykydal)
    - Add logging to interactive utils (vponcova)
    - Fix the FIXME comment for collect_selected_disks (vponcova)
    - Rename the argument for the boot drive (vponcova)
    - Remove empty lines in collect_used_devices (vponcova)
    - Fix: Move the code for collecting device types (vponcova)
    - Fix: Move the code for completing the device info (vponcova)
    - Fix: Move the code for hiding protected disks to InstallerStorage (vponcova)
    - Move the code for suggesting device names (vponcova)
    - Fix: Move the code for getting a container device (vponcova)
    - Fix: Move the code for collecting device types (vponcova)
    - Fix pylint issues in the custom spoke (vponcova)
    - Move the code for label validation (vponcova)
    - Move the code for collecting supported mount points (vponcova)
    - Show a detailed warning in the custom spoke (vponcova)
    - Show a detailed error in the custom spoke (vponcova)
    - Move the code for collecting containers (vponcova)
    - Move the code for getting a container device (vponcova)
    - Populate a container for the given device (vponcova)
    - Simplify the code for creating container store rows (vponcova)
    - Move the code for renaming containers (vponcova)
    - Move the code for destroying devices (vponcova)
    - Remove the method for removing empty parents (vponcova)
    - Move the code for completing the device info (vponcova)
    - Move the code for creating devices (vponcova)
    - Move the function get_device_raid_level (vponcova)
    - Refactor the code for setting up the device types (vponcova)
    - Move the code for collecting device types (vponcova)
    - Move the code for collecting file system types (vponcova)
    - Move the code for getting the device LUKS version (vponcova)
    - Move the code for the device reformatting (vponcova)
    - Move the code for changed encryption (vponcova)
    - Move the code for changing the device size (vponcova)
    - Move the code for reverting reformat (vponcova)
    - Collect roots with supported devices (vponcova)
    - Move the code for adding the unknown page (vponcova)
    - Move the code for adding the root page (vponcova)
    - Move the code for creating a new root (vponcova)
    - Move the code for adding the initial page (vponcova)
    - Move the code for collecting roots to interactive utils (vponcova)
    - Move constants and function from custom_storage.py (vponcova)
    - Optimize the method _update_space_display of the custom spoke (vponcova)
    - Remove the method _current_total_space from the custom spoke (vponcova)
    - Remove the method _set_current_free_space of the custom spoke (vponcova)
    - Move the code for hiding protected disks to InstallerStorage (vponcova)
    - Don't check if disks have media present (vponcova)
    - Rename _clearpart_devices in CustomPartitioningSpoke (vponcova)
    - Rename get_new_devices in CustomPartitioningSpoke (vponcova)
    - Fix: Remove bootloader_devices from CustomPartitioningSpoke (vponcova)
    - Fix: Remove unused_devices from CustomPartitioningSpoke (vponcova)
    - Remove bootloader_devices from CustomPartitioningSpoke (vponcova)
    - Remove the attribute _devices from CustomPartitioningSpoke (vponcova)
    - Remove unused_devices from CustomPartitioningSpoke (vponcova)
    - Remove the property unused_devices from InstallerStorage (vponcova)
    - Remove banners (vponcova)
    - Replace the Progress hub (vponcova)
    - Remove useless class attributes from SpokeCategory (vponcova)
    - LiveImageHandler: add progress reporting of download (rvykydal)
    - LiveImageHandler: split out Teardown task from PostInstall (rvykydal)
    - LiveImageHandler: pass source image mount point as argument to tasks
      (rvykydal)
    - LiveImageHandler: PostInstallWithTask() 2/2 (rvykydal)
    - LiveImagehandler: InstallWithTask() (rvykydal)
    - LiveImageHandler: UpdateKernelVersionList() (rvykydal)
    - LiveImageHandler: PostInstallWithTask() 1/2 (rvykydal)
    - Change the sort order of the User Settings category (vponcova)
    - Move all spokes to the Summary hub (vponcova)
    - LiveImageHandler: PreInstallWithTask() (rvykydal)
    - LiveImageHandler: SetupWithTask() (CheckInstallationSourceImage) (rvykydal)