GUI: removed some of dependencies on facility's type

- Draw tabs with facilities propagation results
  based on number of facility destinations.
- Do not show/handle facility type on that tabs.
- Added sorting base on number of destinations
GUI: update in order to remove facility type in future

- Send always "general" type when creating facility.
- Do not offer facility type selection when creating.
- Facility Type is still used for read actions on object.
Merge pull request #124 from zlamalp/facilityType

Remove some dependencies on facility type parameter
GUI: support for observer role

 - allow to display vos/members tab
 - vo and members are clickable for new role
 - added support in session

TODO: groups tabs, content of all tabs, where vo_admin or vo_observer.