Check for prereserve when releasing a node from reloading. Cleanup that section code as well, to use Node.pm methods.
Check for prereserve when releasing a node from reloading. Cleanup
that section code as well, to use Node.pm methods.

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