This file describes API changes in /client/component/performelement_date_picker,
information provided here is intended especially for developers.

=== 15.0 ===
* DatePickerParticipantForm year ranges are now driven by new yearsRangeStart and yearsRangeEnd element data
  the original behaviour has been maintained for already active elements by means of a server side database upgrade step
    * Changes to template & script block

=== 14.0 ===
* Replaced several components to centralise common functionality improving consistency and reducing duplication
    * DatePickerElementAdminDisplay.vue replaced with DatePickerAdminView.vue
    * DatePickerElementAdminForm.vue replaced with DatePickerAdminEdit.vue
    * DatePickerElementAdminReadOnlyDisplay.vue replaced with DatePickerAdminSummary.vue
* Removed DatePickerElementParticipantResponse.vue, generic ResponseDisplay.vue component is used instead
* Replaced DatePickerElementParticipantForm.vue with DatePickerParticipantForm.vue
* Updated DatePickerParticipantForm.vue to have more control of it's display and to handle switching
  between difference states using a generic helper component ElementParticipantFormContent.
    * Changed validation to use core validation rules where possible
    * Changes to template (wrapping the formScope with helper component), SCSS & lang strings