Call _didChangeDate when input field is cleared.
Call _didChangeDate when input field is cleared.

Instead of setting the value explicitly we call _didChangeDate which sets the value and also triggers the changeDate event.

topaxi/ember-bootstrap-datepicker,lazybensch/ember-cli-bootstrap-datepicker,aravindranath/ember-cli-datepicker,soulim/ember-cli-bootstrap-datepicker,jelhan/ember-cli-bootstrap-datepicker,lazybensch/ember-cli-bootstrap-datepicker,jelhan/ember-cli-bootstrap-datepicker,aravindranath/ember-cli-datepicker,topaxi/ember-bootstrap-datepicker,soulim/ember-cli-bootstrap-datepicker,lazybensch/ember-cli-bootstrap-datepicker,aravindranath/ember-cli-datepicker,soulim/ember-cli-bootstrap-datepicker,jelhan/ember-cli-bootstrap-datepicker