Ready for switch to github.
Replace JSFiddle URLs.
Clean-up old stuff.
Use friendly urls to access data.
Replace _ in data url.
Use new XTK API which simplifies things and offers the onRender callback for animations.
Replace the loop with the new onRender callback.
Add redirect.
Add the correct files for lesson 13.
New lesson 14 showing off the X.object configuration and a particle system.
New lesson 15 showing DICOM support.
Fix typo.
New lesson 16.
Workaround for lesson 16.
Some tests regarding animations.
More work on lesson 16.
Animation working.
Remove lesson 16 for now.
Fix dicom lesson.
Merge branch 'gh-pages' of github.com:xtk/lessons into gh-pages