sometimes fedex gives us a transit time in words and no delivery timestamp. in this case, we parse the transit time and calculate a delivery date range from that.
Fedex uses ONE_DAY
Merge pull request #65 from Shopify/fedex_delivery_times_parser

fedex transit times parser
adding test for Canada Post's turn_around_time option
adding turn_around_time option to Fedex carrier
Merge pull request #72 from Shopify/add_shipping_delay_option_to_carriers

Add shipping delay option to Fedex
offset the date range for ground shipping transit times
fix failing CanadaPost tests; changing ['eparcel']['turnAroundTime'] to ['eparcel']['ratesAndServicesRequest']['turnAroundTime'] in turn_around_time tests
Merge pull request #73 from Shopify/fix_failing_canada_post_tests

Fix failing CanadaPost tests
fixing the calculation of shipping dates
Merge pull request #74 from Shopify/add_shipping_delay_to_fedex_ground

Make Fedex ground transit recognize turn_around_time parameter
Updated delivery date range to use Business Days
Whitespace removal
Changed 'and' to '&&'
Updating fork with changes originally written by https://github.com/timmyc/active_shipping/, but which were never accepted in a pull request by https://github.com/Shopify/active_shipping.
Fixed test failure due to time zones, removed commented-out test
Use full list of params for blocks
Merge pull request #77 from Shopify/fix-failing-1.8.7-tests

Use full list of params for blocks
Adds Travis CI integration
Merge pull request #79 from Shopify/travis_ci

Adds Travis CI integration