Getting classes and structure set up to add data using Coursera API
Fix memory retain cycle
Adding Quick, Nimble spec frameworks, test target and getting tests ready with sample data
Getting some network stack info started
Fixing broken tests and broken project file
Testing Course and Importer, fixing crash because optionals not set properly in Xcode generated CoreData classes
Started parsing course son files
Make all core data properties optionals
Import all sample course data on launch
change CatalogDataSource to use CoreData/FetchedResultsController