Added carrier, delivered, exception, and exception_event properties to TrackingResponse. Modified the UPS tracking result parse to detect exceptions and the delivery status of the package.
Added carrier_name attribute to tracking result, expanded tests for ups tracking
Added status to tracking information
Merge remote-tracking branch 'upstream/master'
Fixed adding destination info to last shipment event if UPS shipment is delivered
Added schedule_delivery_date to UPS
update README
update README again
Add Location#to_xml
Stricter parsing of delivery dates
Add ShipmentPacker class to handle packaging items
Update ShipmentPacker to cast item values
Merge branch 'master' of https://github.com/Shopify/active_shipping

* 'master' of https://github.com/Shopify/active_shipping:
  Update ShipmentPacker to cast item values
  Add ShipmentPacker class to handle packaging items
  Stricter parsing of delivery dates
  Add Location#to_xml
  update README again
  update README
  Fix Rails 3.1 deprecation warnings
  Add address_type= so address type can be changed
  FedEx: Pass Residential true unless localtion is commerial
  Remove lib/certs/cacerts.pem
  Fix Package#cents_from incorrectly converting from an inprecise Float to Integer
  Add Gemfile, use Bundler::GemHelper
  Remove active_merchant/common, and use active_utils

Conflicts:
	test/remote/fedex_test.rb
added zip_plus_4 zip code formatting to Location
Added origin address to fedex tracking result
Added origin and destination tests to UPS
Added destination robustness for abbreviated UPS Tracking responses.
Disabled adding additional event location information for abbreviated and delivered tracking results
Surrounded origin_node with begin block
Fixed case where the FedEx tracking response does not contain a DestinationAddressNode