contentURL, not url
Fix external links -- open in system browser

Conflicts:
	app/sleek.js
Fix external links -- open in system browser

Conflicts:
	app/sleek.js
Update sleek so it works well with the new framework
Remove all 'li' once and for all. Do not pass down the class to the container div, it's already dealt with in the js.
Implement load-more for list based elements
Forgot desktop file
Also update optimized files
Bump framework commit requirement
Do not listen the change event.
Forgot desktop file
Also update optimized files
Add autoLoadMore for verticalLists and grids
Merge branch 'thumbnails-rework' into tedxparis
Merge branch 'upgrade-framework' into tedxparis

Conflicts:
	app/index.phone.html
	app/index.phone.optimized.html
	app/index.tablet.html
	app/index.tablet.optimized.html
	app/index.tv.html
	app/index.tv.optimized.html
	app/sleek.js
Merge branch 'load-more' into tedxparis

Conflicts:
	app/index.phone.optimized.html
	app/index.tablet.optimized.html
	app/index.tv.optimized.html