basic og meta tags
agency/office-specific OG metadata
Fix card type
change  to 1, but keep the flag

fixed tests for less than one change
Merge branch 'master' into ogmeta

Conflicts:
	foia_hub/templates/about.html
Merge pull request #329 from 18F/get_details

change median to 1, but keep the flag
Merge pull request #325 from 18F/ogmeta

Adds open graph metadata to the app
Merge branch 'master' into implement-home

Conflicts:
	foia_hub/templates/contacts/parent_profile.html
	foia_hub/templates/contacts/profile.html