New version
    
    - Include the LV roles in the LVdata (vpodzime)
    - Add a few missing items to the documentation (vpodzime)
    - Document fields of the structures (vpodzime)
    - Report (meta)data LV name properly for cache pools in lvm-dbus (vpodzime)
    - Add information about related LVs to LVMLVdata (vpodzime)
    - Remove unused code for getting supported functions (vpodzime)
    - Add zFCP functionality to s390 plugin (sbueno+anaconda)
    - Fix a few const params in the s390 plugin. (sbueno+anaconda