Embeddable Graph Sparklines

[drdee]

Issue by milimetric from 'Wed Sep 19 21:51:52 2012' Originally opened as https://github.com/wikimedia/limn/issues/61

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with endpoints like:

• HTML, appropriate for iframe: /spark/:slug
• Embeddable:
  • Drawn with JS: /spark/:slug.js
  • Image: /spark/:slug.png