fixing bug #5283
fixing bug #5239 and #5242
fixing bug #5311
Anonymous user is no more returned as latest readers
fixing bug #5260
fixing bug #5287 : displaying category description
ney #bugs #20140224 :  Fix the test failure with KmeliaSecurity
fixing bug #5242
removing some code according to new PublicationDetail API about visibility period
ney #bugs #20140224 :  Merge branch 'ney-bugs-20140224' of https://github.com/NicolasEYSSERIC/Silverpeas-Components into components-5.13.x
Merge branch 'ney-bugs-20140224' into components-5.13.x