Fetch related Artefact for Finder

In order to display the organisation Metadata, we must tag each Finder
in Panopticon with it's Organisation and fetch this on load.

Also using the artefact's title for the name of the Finder.
Display Finder Organisation

In order for the user to be able to navigate back to the Org, this
commit displays a link back to the Finder's tagged Org. This commit also
styles it to look like the metadata in the rest of GOV.UK and adds a
CSS reset to fix some browser stylesheet margins going on. I also fixed
a spacing issue this introduced on the Filter Results button.
Removing breadcrumb trail
Merge pull request #33 from alphagov/add-organisation-link-to-finder

Add organisation link to finder