do no unwithdraw lanes that have been manually withdrawn
Merge branch 'master' of github.com:VertebrateResequencing/update_pipeline into vertres
imeta query now hard-coded to only get bam files, and fixed the query if no_pending_lanes
fixed no pending lanes query to allow failed qc lanes
Merge branch 'VertebrateResequencing-master'
Merge branch 'master' of git+ssh://github.com/sanger-pathogens/update_pipeline

Conflicts:
	lib/IRODS/Study.pm