fixing tricky bug #5458
passing real userId instead of "unknown" !
getting silverContent for each subscriber and preventing NullPointerException in notification layer
fixing bug #5478
implementing NodeDetail#clone instead of cloning object in apps
using orderNumber when getting nodes by level
Take parameter justRegisteredDomainId in case of selfregistration via
social networks
Fixing bug #5443 by managing correctly existing form content in several languages :
- when parent object is copied or moved (data on file server and database were incorrect)
- when parent object was removed (only data in database were incorrect - not removed).
Renaming some parameters to be less ambiguous
Taking into account cases where one of the values is null and the cases
where values type differ between two cells.
fixing bug #5340 by preventing exception to not block statistics
ney bug #5478 :   Merge branch 'ney-bug-5478' of https://github.com/NicolasEYSSERIC/Silverpeas-Core into master
ney bug #5478 :   Fix the test NodeDAOTest#testGetHeadersByLevel coming from the correction of the bug
ney bug #5458 :   Merge branch 'ney-bug-5458' of https://github.com/NicolasEYSSERIC/Silverpeas-Core into core-5.13.x
Merge pull request #498 from teissonniere/bug-5480

Bug 5480 fixed
bug #5359 :   Merge branch 'bug-5359' of github.com:teissonniere/Silverpeas-Core into core-5.13.x
ney bug #5443 :   Merge branch 'ney-bug-5443' of https://github.com/NicolasEYSSERIC/Silverpeas-Core into core-5.13.x
Add function isFatherOf to check if a node is father of the node passed as
argument
In function hasFather, check also if the father is undefined