Polish intro UI
For naming consistency
Merge pull request #80 from tinysue/dev

Polish intro UI
Rewording intro page
Merge pull request #82 from tinysue/dev

Rewording intro page
Merge pull request #81 from this-username-is-taken/delivery_bucket_naming

[REST] Naming consistency for delivery buckets
Add payment status display.
Add order status display.
Add order detail table.
Move invoice detail page from account to order.
Add delivery window info into order-detail.
Refactor account.UserInvoice controller.
Implement order items table.
Rename to order-items.
Add mg-enter directive.
Add guest order email auth.
Add: Invoice pages for users
Add: Order Status Page
Add: Order status list
Adjust invoice page style according to design.