Added functions to _batchelorE18.py for job monitoring and job management

- Added getListOfQueuedJobs(jobName):
  Returns a list of tuples of queued and waiting jobts with
  (jobID, jobRunID) which are in the in the jobState "qw".
  Returns True if succesful, otherwise it will raise
  a BatchelorException.

- Added setQueuedJobsOnHold(jobName):
  Changes the job state of a queued job given by
  getListOfQueuedJobs(jobName) into hold state.
  Returns True if succesful, otherwise it will raise
  a BatchelorException.

- Added setOnHoldJobsRunning(jobName):
  Changes the job state of an on hold job given by
  getListOfOnHoldJobs(jobName) into running state.
  Returns True if succesful, otherwise it will raise
  a BatchelorException.