New ENV variable CU_SERVER_RESTART_POST_DEPLOYMENT

[zepouet]

This variable could resolve the FarJAR problem (do we really need any supervisord, tini... ?) to launch the main process in background to update the java Archive (java, exec war)

Morever it could be nice to restart Tomcat, Wildfly or any other app after deployment because memory leak can exist.

This variable will be true by default and false for other app. Users can change it by modifying the dockerfile and in the future through the admin ui.