PLF-5836 update helper link to point to 4.1
Revert "PLF-5610:Useless log when the intranet extension is removed"

This reverts commit 5808c43367280f036d699b43cc9d66e0760389cc.
PLF-5919 change permission: only allow __system and administrators to access 'Application Data/ProductInformationsService/productVersionDeclarationNode' node
PLF-5610:Useless log when the intranet extension is removed

Fix description:
- Verify if logo node exists before getting it
Use current SNAPSHOTs for kernel, core, ws, jcr, gatein
Merge branch 'feature/stabilization'
Merge branch 'master' into feature/stabilization