Performing #238 : cleaning on preparing fixing : autoDoc method

Semantically rename method
Performing #238 : update fr msg resource for export feedback
Performing #238 : update en msg resource for export feedback
Performing #238 : use i18n standard
meld with en Async Warn
meld with fr Async Warn
Performing #238 : prepare fixing : update interface signature to use Option from end to end
Performing #238 : prepare fixing : update interface signature to use Option from end to end 2/2
Performing #238 : prepare fixing : update interface signature to use Option from end to end 3/3
Performing #238 : cleaning : update javadoc
Performing #238 : cleaning : update javadoc : remove non relevant method redirection. initial allusion was makeCsvValidationNew() but typo
Performing #238 : remove deprecated unused method
Performing #238 : fixes backend side
Performing #238 : front-end remove msg details rendering otherwise msg in doublon
Fixes #238 : plug async-ly new backend to front-end
Performing #240 : front-end remove msg details rendering otherwise msg in doublon