Use speaker_id in agenda section of schedule.json
Add "ringed" images of speakers
Serve the "ringed" images from avatar_ring
User Erubis for template rendering
Move news to a data file

* Render the last 10 news items
* Link when a link is available
* Changed the date display format (I18n)
Add news JSON
Add old news in YAML
Fix typo in news item
Rebuilding the website

* Moved news to data file
* Add news JSON
* Use Erubis as the rendering engine (through Tilt)
* Use speaker_id in schedule JSON
* Add ringed speaker images