OZP-476: OWF/Marketplace Listing Synchronization

MarketplaceController provides an endpoint to trigger the re-pull of a
listing from known marketplaces. Container JavaScript updated to give the
needed info to the backend.
OZP-476: Add sync flags to "config.owf" namespace
OZP-476: Include JIRA ticket number in comments
Merge branch 'story/OZP-476-owf-mp-sync'