[Criteria] Add the possibility to delete a version of a page

[estelleprim]

Description

Victoire is too long to load and sometimes you have to click twice so the changement you have made is taken into account. The problem is sometimes, it creates many versions of a widget for example :

Resolution Ideas

It will be very necessary and cool to develop a "garbage" so you can delete some versions and avoid to make some changes in the "style" on the last version and not the first one.

[alexislefebvre]

It looks like that the same request than in #459.