Also, the users are sorted alphabetically when we display them all.

profile

This reverts commit 72d3bdc5

- moved profile link underneath the picture and only show it if the
  profile is public

* When clicking on a vignette, it should open a new window (add target="_blank" rel="noopener noreferrer" to the "a").|||
* Around groups of vignette, add a div with style="overflow:auto;margin:auto;width: 70%;\">";
* Don't put "clear:both" on vignettes.
* Don't add the name of the group on top of a group of vignettes (e.g. "All users").
* Make the div of a vignette width:150px;height:200px.
* Make the text of a vignette with "h6".
* Center vertically the text of a vignette.
* Use only "firstname surname" for the text of the vignette.
* Create a short code to display just the name of a person (with a link to the profile).
* Create a short code to display the number of members of a group (or all members).
* Add all ids of groups a person belongs to as "class" of the vignette.
* Order group members alphabetical

added a post request to re-generate the JSON on the server if the last generation was more than a week ago

generation was more than a week ago