Removed ugly Webkit's spinner from input
Added viewport
Fixed unicode character
Replaced HTML5 history API with hash (closed #2)
Extracted UI logic into controller.coffee
So long, jQuery
Text box changes are now always detected (using `input` event)
UPC can't have less than 12 digits, added valid checksum
Editing barcode in the middle is not going to reset cursor
Canonical form replaced with "Show EAN" link
Replaced checksum field with "fix checksum" link
Country cleanup
Drawing barcode in red if checksum is not valid
No animation and flickering on page load
Fixed title
Added footer
Added license file
Fixed footer on blank page