Depot Scaffold
Added validation unit tests for products.
Added resources
Updated Product Unit Tests
Added length validation to product.title
Added Product Catalog
Added Product Catalog
Added Prawn PDF Generator
Merge branch 'master' of https://github.com/elitenix/developerbookshelf

Conflicts:
	.gitignore
Merge branch 'master' of https://github.com/elitenix/developerbookshelf

Conflicts:
	.gitignore