Add 2 tests for PBS for diff versions of Torque
Add 2 tests for PBS for diff versions of Torque

- These tests check that the parser can cope with versions of Torque >=
  5.1.0 where the exec_host field no longer provides seperate node
  identifiers but lumps them together.

tofu-rocketry/apel,tofu-rocketry/apel,stfc/apel,apel/apel,stfc/apel,apel/apel