Fix most popular component on expired content pages
Move most popular component in football pages
Merge pull request #2625 from guardian/article-commercial-tests

Article commercial tests
Revert "Merge pull request #2625 from guardian/article-commercial-tests"

This reverts commit a2a5f7a07739b006ffc53461a2117157369556d0, reversing
changes made to 64701cd3204687038134197408b93e8bcf305a69.
JsonNotFound now understands CORS
Link count for analytics will now only count Guardian links
Add grunt-asset-monitor task to Gruntfile
Added simple error page to admin.

This error page will refresh after 60 seconds so that dashboards can recover from error.
Include standfirst links as in body links
Added test for in body link counts
Deleted a bunch of stuff we no longer use.

Mainly the feature trailblock editor and some leftovers from story telling.
treat most popular link text as HTML
Merge pull request #2629 from guardian/json-not-found

JsonNotFound now understands CORS
Merge branch 'master' of github.com:guardian/frontend into inbody-links
Merge branch 'master' of github.com:guardian/frontend into admin-error-page
Merge pull request #2633 from guardian/admin-error-page

Added simple error page to admin.
Merge pull request #2637 from guardian/html-most-popular

treat most popular link text as HTML
Count internal and external links separately
Merge pull request #2630 from guardian/inbody-links

Inbody links count
Remove uneeded admin files