* format date chosen from the datePicker's calendar
* format date on focusout event
* fix tests & some code refactoring
* more validation messages
* unit tests
* fix typecast error
* move "dateFormat" to be part of the "date range" widget settings block
* fix error on Moment
"...Type 'moment.Moment' is not assignable to type 'moment.Moment'. Two different types with this name exist, but they are unrelated.
Property 'isLocal' is missing in type 'Moment'..."
* moment - use old version
* change script - use recent version of moment
