Fixes to domounts. Return mounts to shared vnodes, and let it figure out how to make it work. Also remove some obsolete code.
Fixes to domounts. Return mounts to shared vnodes, and let it figure
out how to make it work.
Also remove some obsolete code.

nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome