D-Net

removed tooltip directive

fixing relations:
@code instead of @value (compliant with dnet-schemas)

added quick link for vocabulary profile

rolled back a commented instruction

angularJS refactoring for directives

angularJS refactoring

Refactoring for vocabulary persistence:
default DAO persists vocabularies on RegistryService.
An alias has been defined.
If we want to override the default bean the following property is to be used:
dnet.modular.ui.vocabulary.dao

First step of refactoring:
multiple persistence backends.
To-be-introduced: postgresVocabularyDAO

First step of refactoring:
multiple persistence backends.
To-be-introduced: postgresVocabularyDAO

fixed resource annotation