New version 28.13-1
    
    - Unregister and unpublish all DBus services and objects (vponcova)
    - Add tests for InstallManager (jkonecny)
    - Add tests for Tasks (jkonecny)
    - Add run_in_glib decorator for tests (jkonecny)
    - Instantiate and publish InstallManager in Boss (jkonecny)
    - Add Makefile for install_manager (jkonecny)
    - Implement InstallManager with interface (jkonecny)
    - Init threading in modules (jkonecny)
    - Provide installation tasks from modules (jkonecny)
    - Remove *.Anaconda.Modules interface from Boss (jkonecny)
    - Implementing example tasks for modules (jkonecny)
    - Add Makefile for Task (jkonecny)
    - Base implementation of Task (jkonecny)
    - Add Task interface class (jkonecny)
    - Remove in-memory kickstart representation from traceback file (#1519895)
      (mkolman)
    - Support call_when_thread_terminates in ThreadManager (jkonecny)
    - Change gtk_action_wait/nowait as general use decorators (jkonecny)
    - Add controllable loop to run_boss_locally script (jkonecny)
    - Tweak run_boss_locally script (jkonecny)
    - Enable SE/HMC file access to repo (vponcova)
    - Change string formatting to format method (jkonecny)
    - Pass handler instance, not class to SplitKickstartParser (rvykydal)
    - Add kickstart parser for splitting kickstart (rvykydal)