Make DIBS theme changes

- Add store logo
- Add Authorize.net logo to checkout
- Add notice for license-only products
- Change shipping address to end user address
- Move prices into image block
- Expand product names
- Remove price filters on product category views
- Add pagination to top of product index
- Replace favicon
- Add public folder contents for IIS
Add basic capture and void emails
Add html email versions
Customize emails with DIBS info
Customize spree_flexi_variants

- Narrow the product price displays to fit the option dropdown
- Add the options to the email invoice
- Add css overrides for definition list items
Integrate spree_dibs_referral

- Change email subject for referrals
- Add bcc to cart referral link
- Add ability for referral emails to include cart contents
- Add click direction for referral email