[axof: 148] adding barcode scanner for textbook upc
small changes from last push
[axof: 158]
[axof: 158] cleaning up some design
Merge pull request #5 from russblackburn/text-book-detail-design

Text book detail design
Merge branch 'master' of https://github.com/russblackburn/Textbook-App into ryan-addpage

Conflicts:
	www/js/controllers.js
	www/templates/textbook-detail.html