clean up unused code and fix or disable broken tests
Merge pull request #198 from Shopify/cleanup_code_and_tests

clean up unused code and fix or disable broken tests
remove unnecessary assignments
skip_broken_stamps.com_tests
Merge pull request #201 from Shopify/disable_broken_stamps_tests

Skip four stamps.com remote tests that are failing
Merge pull request #199 from Shopify/remove_unnesessary_assignments

remove unnecessary assignments
Merge pull request #1 from Shopify/master

UPS LTL Rate and Ship