NXP-13115: automation event handler descriptors should be contributable
in Java 
https://jira.nuxeo.com/browse/NXP-13115
NXP-13130: Correctly remove ACLs for current task assignees when reassiging the task using a widget that adds a prefix to the selected users and groups
Revert "NXP-12493: remove unecessary exception catching in batch automation"

This reverts commit 1d9dedca520d42f6cf5da6ce06e6d218f4ab7ea2.
NXP-12493: Add missing imports
NXP-13148: remove unused code
NXP-13148: remove unused code
NXP-13145 use an objet mapper to get the text representation of the json node
NXP-12787: change way of registering safeEdit postRestore callback for select2
NXP-12787: change way of detecting safeEdit on a form
NXP-13135: display email of user even if firstname/lastname not set when required
NXP-13134: add runtime property to force email display in user suggestion
NXP-13141: fix suggestOne/ManyDirectory language fallback when user locale not available
NXP-13134: fix sonar violation + cache runtime property
NXP-13141: fix sonar violations