Fix an issue in the attributes definition for strong parameters.  Add basic controller specs so we can catch that issue going forward.
Merge pull request #119 from petergoldstein/feature/add_controller_specs

Add controller specs, fix bad attributes in ProductPackagesController
Pull USPS API changes into master. Sync with 2-0-stable branch commit 0dc25be0139e0345b1200cb41d8606bfc1f8ef92
Merge pull request #120 from rterbush/master-sync-usps-api-changes

Pull USPS API changes into master
Put this back. Mistakenly removed by this commit 9071fc6603c1dc1022b5dc3fe6df16066e31150e
Merge pull request #121 from rterbush/travis

Put this back. Mistakenly removed by this commit 9071fc6603c1dc1022b5dc3...
Fallback to state_name if state.abbr does not exist.
Merge pull request #124 from rterbush/state_location_master

Fallback to state_name if state.abbr does not exist.