Creates generators to upgrade 3.7.2 instances to 4.0.0
Merge pull request #480 from psu-stewardship/smooth_sufia4_upgrade_process

Creates generators to upgrade 3.7.2 instances to 4.0.0
Label featured works appropriately and allow overriding this label
Merge pull request #482 from psu-stewardship/call_featured_works_featured_works

Label featured works appropriately and allow overriding this label
making new office document thumbnails visible.