Use 'main' and 'footer' tags instead of div.main and div.footer
Extract various bits of html5 pedantry into separate Erector::Widgets::Page subclass

utilize technology of inheritance
Remove bourbon

It was only used for a single "@include border-radius" line which is no longer present
added CC-BY and MIT license to README and LICENSE files
Remove most content from the 'Get a Sticker' page.

Rather than forcing students to endure another create-and-deploy to Heroku,
volunteers should just examine the student's successfully deployed Heroku
app from the previous page.

Also updated the 'default rails page' screenshot
introduce locale (as sites subdir and optional param), and...

* use Sinatra 1.3.6
* add short stack trace to error log
* various refactorings
* put Deck file server ahead of Sinatra in middleware chain (using Rack::Cascade)
use subdomain, param, or environment variable to specify locale
TOC now works with locale
clean up syntax error messages
use rspec double() instead of deprecated mock()
bundle update (removing x86-mingw32 platform)
flag icons in page header
raw port from codelikethis
simple navigation and summary for Learn To Code
process 'goal' text as markdown; improve stepfile docs
code and routing to show a markdown page as slides
fix test
swallow Heroku rake rspec error
Add link to intro to javascript to docs
Adding RailsBridge Boston 1.2014 ruby workshop mods

Modifications include:
* fleshing out all the sites/ruby workshop content -- janetriley, mxie, dpickett
* Adding the 'challenge' tag to the dsl -- dpickett