[#157]Support the length classes

-- Add width, height, length fields for the toc_products table
-- Create the global object - $osC_length in the core service
[#156]Rewrite the UPS shipping module based on the new api

-- Do some improvements as testing the UPS shippin module

-- It is successful to get the real-time shipping rate from
ups
[#157]Rewrite the UPS shipping module based on the new api

-- Update the ups icon