* Separate userinfo avatar and avatar credit in separate twig
Follow-up on #989, modularizing avatar (and its credit-line) for the userinfo-field in admin/user/ as well.
* Add range-field
Uses input with type 'range' to create a slider-element, a common HTML5 element.
* Revert "Add range-field"
This reverts commit 3d088df57d.