Iniital work on UI refactor
CSS tweaks
Merge branch 'develop' into refactor/new-ui

* develop:
  Added accessibility specific demo
Added toolbar icons to landing pages
First attempts at adding section support and moving away from the jumbotron
First beta of new UI styles
Fixed report types page
Fixed data api padding
Added new UI to hidden distractor pages
Removed unnecessary style
Merge from lndash