Adding/deleting DCAT behaviour in data model
Changing the way in which extension file is obtained
Updating templates and schemas (adding license and DCAT)
Adding new nodetype for DCAT
Publish DCAT in cascade
Adding IsHidden fields for metadata and dcat nodetypes
Modifying default template to remove include instructions
Merge branch 'feature/dcat-gen' into develop

* feature/dcat-gen:
  Modifying default template to remove include instructions
  Adding IsHidden fields for metadata and dcat nodetypes
  Publish DCAT in cascade
  Adding new nodetype for DCAT
  Updating templates and schemas (adding license and DCAT)
  Changing the way in which extension file is obtained
  Adding/deleting DCAT behaviour in data model