hoppingmanager: Comply with new configuration policy

The hopping service was renamed to hoppingmanager.

New properties

hoppingmanager.cell.name
hoppingmanager.cell.export
hoppingmanager.config

Target: trunk
Require-notes: yes
Require-book: yes
Acked-by: Paul Millar <paul.millar@desy.de>
Patch: http://rb.dcache.org/r/5731/