deposit: datetime picker library modification

* Changes the datetime picker library from the jQuery UI to bootstrap-datetimepicker.

* Increases the consistency with the Bootstrap design.

* Introduces new [JS library](https://github.com/Eonasdan/bootstrap-datetimepicker).
`'bootstrap-datetimepicker': {deps: ['jquery', 'bootstrap', 'moment'], exports: '$.fn.datetimepicker'},`