bug #4821 :  The privilege of the user is not checked when when the creation, the deletion and the modification of a post is called
fixing bug #4761
fixing bug #4922
And enhancing rendering of consultation page :
- hiding filters area if user is used only in this app
- hiding PDC area if user is not classified on PDC
- displaying expert data by default if profile is empty
Merge branch 'ney-bug4922' of git://github.com/NicolasEYSSERIC/Silverpeas-Components into NicolasEYSSERIC-ney-bug4922