Switched to Bootstrap datepicker and sensibly restricted the dates you can enter for an illness based on previous illness history.
Remove turbolinks.
Controller specific js.coffee and css assets.
Merge branch 'canvas_heatmap'

Conflicts:
	app/assets/javascripts/application.js
	app/controllers/illnesses_controller.rb
Switched to html5 canvas with coffeescript for the heatmap. It's pretty sweet.