Merge pull request #44 from jamesbrink/gh-pages

Added link to demo page on index.html
Minor clean-up
Remove empty section
Fixed a typo.

fromat->format
Update index.html
Merge pull request #47 from bfontaine/patch-1

Typo fixed in the demo page
Fixed spelling mistake

Barcoed -> Barcoded
Merge pull request #48 from j-/patch-1

Fixed spelling mistake
Added option for QR codes