Add samtools module to sort sam / bam files
Can now control STAR shared memory options from pipeline args
Fix bugs introduced into load_runfile_params, trim_galore, samtools sort
Add stringency argument in trim_galore via pipeline

Controls the minimum length of adapter overlap required for trimming
Merge branch 'geopts' of https://github.com/stu2/clusterflow into geopts

Conflicts:
	modules/samtools_sort.cfmod

remove debugging code from samtools sort