handle list in isShownBy
Merge branch 'master' of https://github.com/mredar/harvester
Merge branch 'master' of https://github.com/mredar/harvester
Merge branch 'master' of https://github.com/mredar/harvester
Merge branch 'master' of https://github.com/mredar/harvester

Conflicts:
	harvester/image_harvest.py
Merge branch 'master' of https://github.com/mredar/harvester
Get couch values from DPLA config akara ini file