* [ADF-1344] New Custom Loading Content Directive for Datatable Component
* [ADF-1344] Add unit tests for directives on Document List
* [ADF-1344] Add directive prefix to context-menu directive
* [ADF-1344] Old directive selectors have been put back
* [ADF-1344] Add old selector for empty-content directive
* people module directory restructuring
* Extract PeopleSearchFieldComponent to reuse most part of it
* Transform PeopleSearchFieldComponent to the form we want to reuse
* People selector component, first try
* Remove material grid from start-task.component, first part
* Styling and i18n
* clear button for deleting the selected assignee
* Remove people preloading, remove combobox and update assigneeId
* Fix existing tests
* Add new tests
* Final css fixes