ENYO-3851: remove once and for all an ambiguity about the definition of the related service of a node. The service attribute will be related to the file attribute only and no more to the HermesNode itself.
ENYO-3851: Allow back the projects research from the root node of a file storage.
Merge pull request #781 from enyojs/ENYO-3851

ENYO-3851: storage root allowed to search projects