Fix datetime picker minute display for '00', '05'
Move some ItemEditController abilities into a mixin
Adding new items 90% complete
Make  edit field a textarea
Change colors for ItemNewView
DatetimePicker component can trigger action on start / pass back data
Don't make `date` a default data property
DatePicker can take an initial date property, `date`, to parse
Allow booleanType on a new field in ItemEdicControllerMixin
Handle when a new field's value or type changes
Show proper input element for editing field types, date edit works