[css] add the entypo font as available ressource (closes #2930356) This provides a standard set of pictograms for use in CubicWeb and cubes. To use a pictogram, the "cubicweb.pictograms.css" must be explicitly loaded (using, e.g. view.add_css(...)).

Latest changes 
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* table of `all latest changes`_

Links below is providing useful RQL query example.

.. _all latest changes: view?rql=Any+M%2CX+WHERE+X+modification_date+M+ORDERBY+M+DESC+LIMIT+30