fixing bug #1648 and bug #4914
fixing EJB annotation (stateless to stateful)
simplifying management of folders (create, update and delete), using dialog
removing useless code and JSP files
Merge branch 'ney-bug1648' of git://github.com/NicolasEYSSERIC/Silverpeas-Components into NicolasEYSSERIC-ney-bug1648
Bug #1648 & #4914 :
- moving bundles to full UTF-8 encoding
- fixing some problems around the contact modification