Removed hardly used property
Removed placeholder event initialization
Added event list stub
Navigation bar made visible
Added sample event data
Implemented enum for JSON representation
Added EventContext protocol
Changed Event designated initialiser
Implemented dynamic event list
Network simulation for event listing
Improved EventListViewController class structure
Removed obsolete Event's Printable protocol implementation
Format improvement
Actual data parsing moved into the JSON
Cancel previous request when refreshing event list
Added pull-to-refresh
Updated payment form layout
Renamed: ViewController → PaymentFormViewController
Added support for JSON array values
Added loading delay simulation