Mondify configuation file updating to be more atomic in order to reduce possibilty of config corruption.  Also add automated recovery from a configuration corrupted by an old version of Rocoto.
Mondify configuation file updating to be more atomic in order to reduce
possibilty of config corruption.  Also add automated recovery from a
configuration corrupted by an old version of Rocoto.

christopherwharrop/rocoto,christopherwharrop/rocoto