#277 Added pagination support for products
#301 Attach file to a product: client side
#301 Admin can attach image when creates a product
#301 Admin can upload image for an existing product
#297 state:done Admin can view orders
Image upload fix (overwrite)
#298 state:done Admin can view a list of customers
#299 Admin can view customers list; Pagination fix
#299 Personal discount UI added
#299 Personal discount UI
#299 Model updated
#299 Admin can set personal discount per product
#299 state:done Personal discount affects price
#282 User can search for products
#275 Returns form (as PDF file)
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