Get certificate in a before_filter
Add embed_stats model
Check url is valid
Merge branch 'master' of github.com:theodi/open-data-certificate into feature-track-badge-embeds
Fix munted migrations
Add method to create embed stat for certificate
Create embed stats in controller
Change reference to dataset, rather than certificate
Generate a CSV of all embeds
Add controller method for embed_stats csv
Add embed status and download link to status page
Validate uniqueness through dataset id

So a page with multiple embeds on gets logged correctly
Typo
Fix dataset test
Specify filename
Merge pull request #875 from theodi/feature-track-badge-embeds

Track badge embeds