fixing bug #4167
integration :  fixing bug #3958
integration :  removing obsolete JSP file : pdcPositions.jsp
integration :  fixing bug #3942
if targeted validation is used but no user have been defined to validate, validation is considered as classic one (and not collegiate).
Furthermore, if targeted validation is used, now users selection is mandatory to draft out publication.
Merge branch 'master' of github.com:Silverpeas/Silverpeas-Components
fixing bug #4138
closing partially feature #2848
adding operation "Delete selection" associated to existing checkboxes
It is available only for admins and publishers.
feature #4148 :  Take into account of the renaming of the two public methods in CryptMD5 for computing a MD5 hash.
fixing bug #3832
when new folder is created by drag n drop, parent folder is now reloaded...
fixing bug #4059
fixing bug #4040
description of folders are available again
fixing bug #4059
fixing behavior of treeview when changing folder status
replacing classic Javascript confirm by a 3-buttons Jquery dialog
Remove the version info in the spring security dependency declaration
feature #4148 :  Merge branch 'master' of github.com:Silverpeas/Silverpeas-Components into feature-4148
fixing regression (NullPointerException) about feature #3942
fixing bug #4185
on each publications to validate, checking profile according to folder where publication is
fixing bug #2704
Feature #4149 : user account validity
- changing the management of user accessLevel information
- modifying unit tests datasets around users
- deleting some dead code
- refactoring some code
Merge branch 'master' into feature-4149
fixing bug #4220