New version 29.18-1
    
    - Add tests for the DASD module (vponcova)
    - Run the DASD formatting task in UI (vponcova)
    - Extend the sync_run_task method with a callback (vponcova)
    - Create a task for formatting DASDs (vponcova)
    - Run the DASD discovery task from UI (vponcova)
    - Create a task for discovering DASDs (vponcova)
    - Create the DASD module (vponcova)
    - Add tests for the language installation task (vponcova)
    - Run an installation task to install a language (vponcova)
    - nvdimm: fix crash on non-block devices (rvykydal)