Stronger testing for narratives_json and sunburst_json. Enforces 1-to-1 key presence.
Merge pull request #29 from felixsoum/backend-dev

Backend dev
Merge pull request #30 from felixsoum/backend

Beautify the admin view
Refactor flash
Test flash
Test sunburst (might as well)
Test language and category helpers (might as well)
Format lines in narratives controller
Merge pull request #31 from felixsoum/flash

Refactor flash