TRQ-1426 Added a system job start time to the JB file and check that on start up to see if a pid is really ours.
Merge branch '4.2-dev' of https://github.com/adaptivecomputing/torque into 4.2-dev
Fixed all the unit tests.
Merge branch '4.2-dev' of https://github.com/adaptivecomputing/torque into 4.2-dev