Bugfixes for popper positioning related to tooltip/popover arrow placement and overall performance.
Bug Fixes
- positioning: not all classnames are removed correctly after change detection (9775246), closes #4327
- pagination: allow for custom and null 'size' values (8df5f74), closes #3816
- datepicker: schedule positioning calculations correctly (745a64d)
- dropdown: schedule positioning calculations correctly (077047e)
- popover: schedule positioning calculations correctly (6b16b8d)
- tooltip: schedule positioning calculations correctly (662f2b6), closes #4321
- typeahead: schedule positioning calculations correctly (79454d1)