added DeliveryFeeByZip Inq and Response
updated with the changes recommended for 70A4 & 70B4 and updated the param.props file with 70A4 & 70B4 params
Added Segment70A4LengthCalculator.java to repo
Merge pull request #1 from bvittal/branch_70BA

added DeliveryFeeByZip Inq and Response