Metadata template revision

[etj]

Check, fix, amend, complete the metadata template in order to be fully RNDT compliant.

[etj]

This is a block for keywords with thesaurus for RNDT:

<!-- LOOP on used thesauri -->
<gmd:descriptiveKeywords>
   <gmd:MD_Keywords>
      <!-- LOOP on keywords of thesaurus -->
      <gmd:keyword>
         <gmx:Anchor
            xlink:href="http://inspire.ec.europa.eu/metadata-codelist/SpatialScope/regional">Regionale</gmx:Anchor>
      </gmd:keyword>
      <!-- END LOOP keyword -->
      <gmd:thesaurusName>
         <gmd:CI_Citation>
            <gmd:title>
               <gmx:Anchor
                  xlink:href="http://inspire.ec.europa.eu/metadata-codelist/SpatialScope">Spatial scope</gmx:Anchor>
            </gmd:title>
            <gmd:date>
               <gmd:CI_Date>
                  <gmd:date>
                     <gco:Date>2018-04-04</gco:Date> <!-- thesaurus publication date -->
                  </gmd:date>
                  <gmd:dateType>
                     <gmd:CI_DateTypeCode
                           codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_DateTypeCode"
                           codeListValue="publication">pubblicazione</gmd:CI_DateTypeCode>
                  </gmd:dateType>
               </gmd:CI_Date>
            </gmd:date>
         </gmd:CI_Citation>
      </gmd:thesaurusName>
   </gmd:MD_Keywords>
</gmd:descriptiveKeywords>
<!-- END LOOP thesauri -->

[etj]

Performed validation tests at
https://inspire.ec.europa.eu/validator

The only errors are about links not reachable (localhost:8000 is not a good publishing link :) )

RNDT validation is not an open service, still searching for a public validator.