Merge branch 'release/0.136' into develop
Trimmomatic logfile output is now designated as vrpipe temporary file
fixed use of removed running() method, replacing with alive(); added --exclude_withdrawn option
disconnect from db before (and during) main fastq processing loop
disconnect from db before calling the potentially time-consuming num_lines or num_records
in _get_claim(), also unset _claim if the job has an end_time
StepRole->post_postprocess now returns undef on success, otherwise an error string; PipelineSetup->trigger improved to better report accurate error messages, and to redo 3 times on encountering errors
version bump
Merge branch 'release/0.137'