Bump rails to 3.2.12
Travis test with Ruby 2.0
Convert db seed + sample files to Ruby

This removes some confusion about what countries are in what zone members, and will prevent us from running into issues like #2547
changed products_path to spree.products_path

Fixes #2559
changed root_path to spree.root_path to allow template to be recalled

Fixes #2559
added specs to show how to add address to Order through API and improved addresses retorn with error

Fixes #2546
Fixes #2549
to address in mail_interceptor is always an array. Remove brackets.
Convert db seed + sample files to Ruby

This removes some confusion about what countries are in what zone members, and will prevent us from running into issues like #2547
creating order through API as guest #2545
returning correct error message if cannot transition from cart to address
[Fixes #2551] [api] Specs to ensure a user or email can be assigned to an order
Merge remote-tracking branch 'upstream/1-3-stable' into 1-3-stable