1) upgrades build number to 0.91
1) removes "lastEditTimeLabel" from the "ShipmentInformation" class (George has dropped it from the requirements)
1) updates "MockObjectFactory" to adjust for recently deleted "lastEditTimeLabel" property
1) Updates "ShipmentInfoDetailViewController" to remove the potential display of "Last Edit Time"; 2) incorporates parsing logic for "Commodity" and "Service Type"