refs SustainHawaii/djangoshop#13, Buyers - Product details Page.
Fixed multiple upload images.
Block user add sub images on create product.
Show images in product details page.
refs None, fixed migration script problem.
refs None, fixed rebase problem.
refs SustainHawaii/djangoshop#38, User Roles not yet setup.
Added "Account Type" in register page.
refs SustainHawaii/djangoshop#38, User Roles not yet setup.
Auto show "primary user type" pages.
Done order cancellation.
Done email sending for placing and cancelling order.
Done provider orders history, view orders.
Fixed provider order list view.
Provider/buyer share same order history/view order template.
Added dropdown for order status/payment status in  provider view order.
refs None, fixed bug on anonymous account don't have user_type.
Resolved merge conflict
refs SustainHawaii/djangoshop#38, User Roles not yet setup.
Move primary type settings into profile page.
refs None, fixed buyer dashboard button links.
refs None, fixed product details page cover image.
refs None.
Merge remote-tracking branch 'origin/master'
refs None, fixed 'View Store' button link in product details page.
Done tax cloud sales tax calculation function.