fixing bug #1492
Now, WYSIWYG content is written on disk in UTF-8
core #5.11.x :  Feature #4178 : Adding support for LibreOffice 3.6
Feature #4149 : user account validity
- modifying database structure around users
- modifying unit tests datasets around users
- modifying models and query mechanism around users
- adding columns into ST_User for next features
- deleted users are retrieved by their state and no more by access level
- changing the management of user accessLevel information
- removing some dead code
- centralizing/refactoring some code
Merge branch 'master' into feature-4149
fixing bug #4233 with the help of Jquery
fixing bug #4221 by preventing NullPointerException...
fixing bug #4219 by preventing NullPointerException...
However, origin of this exception is not yet identified
fixing bug #4225 by removing obsolete Javascript code
fixing bug #4219
management of fields of type file (file, image and video) is fixed when clone is used
another bug (recent regression) have been fixed when updating a form which contains a file
if this field were not updated, field was empty and file was lost !
Feature #4149 : user account validity
- adding action menus to block or unblock users (administration)
- adding blocked user management around user log in
- adding blocked user management around WEB-Services
- adding blocked user management around user blocked whereas a session is alive
- formatting the jsp files at webapp root
- formatting userContent.jsp file
- adjusting some unit tests
Merge branch 'master' into feature-4149

Conflicts:
	war-core/src/main/webapp/defaultLogin.jsp
bug #4237 : The ICC profile must ben in the resources not in the sources directory
Fixing code so that we use interfaces instead of implementations in signatures
Merge branch 'bug_4237' of https://github.com/ehsavoie/Silverpeas-Core into ehu-bug4237
feature #4148 :  Merge branch 'master' of github.com:Silverpeas/Silverpeas-Core into feature-4148
Merge branch 'feature-4149' of https://github.com/SilverYoCha/Silverpeas-Core into ych-feature4149
integrating feature #4149
adding new column "last connection" when browsing domains and groups
using generic terms instead of specific ones
removing useless terms in multilang files
replacing some old code
feature #4148 :  When creating a SQL domain, the type of the password field in the user table is now a varchar(123)
feature #4148 :  Fix the merge conflict with the work done by Yocha on some parts of the code I have worked on
feature #4148 :  Be caution with some guidelines in Java: usually, a check method arises an exception when the check fails and doesn't return a boolean. When validating an object, the validation process either throws an exception (like a check method) or in a better way returns the validation errors (empty if all is ok). (Methods that returns a boolean should be prefixed by either is or has term.)