Add create_sbatch_file function
piper node mode partial implementation
sbatch piper seqrun jobs. this is just horrible.
Change job checking for seqruns to use slurm
Remove template file
Merge from NGI upstream
Development TODO note
Change log_rotate to more generic file_rotate
Fix up sbatch code, add some needed info to the config file
Change argument order slightly in execute_command_line
Add delete methods for sample, libprep, seqrun
Add delete_existing option to creation_charon_entries_from_project
Various updates to switch Piper to sbatch mode / use scratch space for data
Convert SLURM job code to 0, 1, or None
Merge branch 'piper_node' of github.com:mariogiov/ngi_pipeline into piper_node
Update config files
Remove unneeded comments
Update comments
Minor formatting change
Merge branch 'devel' into piper_node