Added the WET 101 and Sass breakout sessions in English.
Changed layout to button group when multiple links appear for a breakout session.
Fixed the left margin for the button groups.
Added the WET 101 and Sass sessions in French.
Corrected a markup error in the button group for the Sass session in French.
Merge pull request #46 from thomasgohard/gh-pages

Added the WET 101 and Sass breakout sessions