Update executable and namespace names.
Minor code cleanup.
Enable creation of new Encounters.
Enable adding and removing Combatants from Encounter.
Add list editing on Encounters window.
Make more objects implement INotifyPropertyChanged.
Make more portions of the WinForms UI respond to and update on selection and property changes.
Fix Encounter's CombatantWrappers not being deserialized out of the json.
Fix NullReferenceException in ObservableKeyedCollection when collection is empty.
Minor file rename.
Dispose Reactive objects on form close.