Merge branch 'feature_4585' of https://github.com/ehsavoie/Silverpeas-Core into feature_4585
Add the property authServerX.Timeout (where X is the number of the authentication server) to take into account of the feature. This property, for compatibility is commented.
feature #4609 : Simplifying some code
feature #4609 : The attachement contextual menu is now a JSTL tag
feature #4609 : Rennaming the menu tag for better readibility.
feature #4609 : Adding some messages for the menu entry
Switching is working but we need to adapt the dialogs to use the document's state instead of the component.