WIP send.html: implement sending a mail as duplicate of sms or to other mails
WIP impersonate user
WIP groups-detail.html: implement choosing a group or a user
WIP adapt code working on groups
WIP create group: fix creating a "Destination group"

NB: for "Destination Group"s, the user do not select an account
WIP pom.xml: remove axis (was used by SmsuCachingUportalServiceImpl)
WIP js: handle stateMail
WIP group creation: role is required
WIP add param wsgroups.url (aka wsgroupsURL)
WIP messages-detail-inc.html: fix french
WIP check isPhoneNumberInBlackList in background and display a message + allow to set a phonenumber in blacklist
WIP roles-detail.html: compute availableFonctions each time role.fonctions changes. it is necessary since "allFonctions | array_difference:role.fonctions" has some issues when re-used
WIP *.html: various small UI enhancements

thanks to Marie Bouvaist for reviewing
WIP if wsgroups configured, use it for searching users/groups
WIP make test/StartPage.html work
cleanup: remove unused bean applicationService
cleanup: remove empty init.xml
cleanup: remove now unneeded exceptionHandling stuff
cleanup: fix error msg
cleanup: remove unused stuff from i18n files