dash depends on backend, not frontend
Fix stylings for select2 boxes and other admin misc.
[api] Add params[:ids] support to products
Move Spree:ActionCallbacks to Backend
Move Spree::BaseController to Core

This is so frontend and backend can use it independently of each other
Move admin layout from frontend to backend + move helpers into core
Remove definition of ajax-root-path from admin layout

This is simply not referenced in any code
Allow backend and frontend locale to be set independently
Make API correctly dependent on ActionController::Metal + Spree::Api::ControllerSetup

Fixes failing zones_controller_spec
base_controller_spec shouldn't attempt to grab a template
Dash depends on backend
[dash] Add authorization_helpers to spec_helper
Allow backend and frontend locale to be set independently
Move error_messages partial to core so that both backend+frontend can use it
Fix class referene in Spree::Core::ProductFilters
Move seo_url test to frontend
Re-add 'Thinking Cat' image
Make only the best promotion adjustment applicable when updating an order
Re-add 'Thinking Cat' image
[core] Cleanup spec/models directory