#624 PBS/Torque jobs that time out should be deleted (qdel)

[David N. Lombard]

Test jobs that time out, i.e., in pbs_test, should be
deleted via qdel so they do not consume compute nodes
for subsequent jobs.

[Thomas Naughton]

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I would suggest that we use the APItest framework for these
test, and there is a timeout flag that can be used on tests.
Also, all the dependency stuffo is managed through APItest
so we could write general test that checked at the top for
given queue-mgr/sched and tailor the tests accordingly,
possibly reusing the majority of tests across different
tests (have to setup a reasonable dir structure).

my $0.02,
--tjn