Add multiple true to uploader
Add categories table
Add Category fabricator
Validate presence of name on Category
Checkin Category specs
Add slug to categories
Set category slug before validation
Generate default categories
Add category_id to assets
ActiveRecord associations for Asset/Category
Add website_id to Ember related files
Add categories to the API
Ember assets for category
Add category select dropdown to asset
Upload multiple files
Move asset styles into module
Add loader and success divs
Re-style asset rows
Show real progress during uploads
Add/fix asset specs