Purpose is to extend the use of the newly-introduced activity view allowing
to see at a glance activities to perform on a given model. It eases daily
job of people working with activities.
Updated :
* fleet vehicle and contract main menu actions;
Some menu entries are also renamed to ensure coherence in all menu entries
that all use vehicles, with an 's'.
This commit is linked to task ID 1889413.
Thibault Delavallée
29cf987dcb