guard isn't working right.
Remove substory controller for faster rendering.
Add a cache for faster recommendations.
fix story fanout exception.
fix: hide review nag when user has written one
globally define htmldiff, fix styling issue on edits page
fix cover image upload
Fix 422 error.
Merge pull request #324 from vevix/review-nag

hide review nag when user has written one
fix delete comments from other users.
fix jshint error.
add back indexable.
forgot to bundle install.
disable indexable until we add a cache layer.
fix story deletion for non-staff folks.
fix likers not loading
Generate tokens with JWT, and migrate old-tokened requests
Refactor Token into a model, add tests
Move the auth helpers out into a separate module