Remove deleted product prices from the shopping cart and update cookie

Signed-off-by: Takashiro <takashiro@qq.com>
Show shortened price if there's only two kinds of price

Signed-off-by: Takashiro <takashiro@qq.com>
Force the browser to update redirected page

Signed-off-by: Takashiro <takashiro@qq.com>
Remove blanks inside price

Signed-off-by: Takashiro <takashiro@qq.com>
Print black-white pictures only

Signed-off-by: Takashiro <takashiro@qq.com>