Now using parent-child object context to simplify
NPK labels added
NPK labels added to the SpreadingEvent details view controller
Live calculations
Performs live calculations of NPK as you slide the rate
Live updates
Spreading Event Summary now added
Category that also derives the seasons for the FCA
Property list with default costings
Now uses new category on NSDate to derive the season
Segue into the spreading event summary controller now added.
Adds cost labels
Now supports display of costs
Summary view now added
Sets default prices in the UserDefaults
Now defaults to metric
option to change units added
Fields view now displays well for imperial
Now supports metric / imperial
iPad and iPhone versions now mirror each other