Changes variant opion radios to blocks

	modified:   app/views/spree/products/_variant_options.html.erb
A pass on pricing and shipping options

	modified:   app/assets/javascripts/spree/frontend/spree_variant_options.js
	modified:   app/views/spree/products/_variant_options.html.erb
Add delivery copy and price fallback

	modified:   app/views/spree/products/_variant_options.html.erb
Handle backorderable; Removed variant init function

	modified:   app/assets/javascripts/spree/frontend/spree_variant_options.js
Considerations for variant failing; version bump

	modified:   app/views/spree/products/_variant_options.html.erb
	modified:   spree_variant_options.gemspec
Removed duplicate check for variant

	modified:   app/views/spree/products/_variant_options.html.erb
Merge pull request #13 from deseretbook/MKNOtnx7-add-price-and-shipping-to-variant-options

Add price and shipping to variant options