Task #8437: Provide SLURM partition name when scheduling jobs, to prevent scheduling to wrong partition

Task #8437: Use "sacct" to get historical job information, and fix race condition where QUEUED is set before pipeline is actually queued

Task #8437: Proper command-line parsing in runPipeline.sh and pipelineAborted.sh, and allow parset to be provided manually

Task #8437: Set to QUEUED before handing to SLURM (which can set obs to STARTED immediately), and some added logging

Task #8437: Use python mock classes, and moved triggering functionality for OTDBBusListener to separate class