Fixing some unit test failures ...
Feature #4843 : blocking the download of file attachments attached to publications
- upgrading the version of FlexPaper API
- adding the possibility of indicating roles to a document which are forbidden or not to perform a download on the attachment
- adding some unit tests in order to verify the management of the new forbidden download information stored into the Silverpeas JCR
- refactoring spring definitions in order to provide OrganizationController mock for all unit tests (lib-core project only)
- modifying the definition of the data structure of the Silverpeas JCR
- cleaning some code