Stop monitoring if the node is being deleted or reset.
Merge pull request #17 from VictorLowther/pull-req-feature-uefi-netboot-master-b840f0db63

Pull in complete UEFI network boot support. [5/7]
Merge branch 'master' into release/rails3anddb/master
Merge pull request #25 from galthaus/pull-req-release-rails3anddb-master-e641c1ef9f

Merge development into rails3anddb [2/12]