Guest User removed from nereid #5255

* Guest user is now part of nereid-cart-b2c module

Please refer: openlabs/nereid@f76ff02101 and
openlabs/nereid-cart-b2c@f9415d1614d10e990c38103b26783bb9c1cd03d9
Merge pull request #41 from prakashpp/remove-guest-user

Guest User removed from nereid #5255
Get billing address from selected payment profile #4910
Merge pull request #42 from goyal1092/feature/task-4910

Get billing address from selected payment profile #4910
Refactor and move methods to sale_payment_gateway

The methods related to handling the payment itself are now
part of sale_payment_gateway
Merge pull request #44 from sharoonthomas/develop

Refactor and move methods to sale_payment_gateway
Saving sale date as current date of sale on payment #5567
Merge pull request #45 from goyal1092/feature/task-5567

Saving sale date as current date of sale on payment #5567
Release version 3.2.0.2
Merge branch 'release/3.2.0.2'