updates xpath validator

ted_sws/notice_validator/resources/templates/xpath_coverage_report.jinja2

@@ -88,6 +88,16 @@
     {%  if template_metadata.grouping %}
         <li><b>Grouping:</b> {{ template_metadata.grouping }}</li>
     {%  endif %}
+    <li>
+        <div><hr></div>
+        <h4>Overall coverage</h4>
+        <h3>{{ "%.2f"|format((validation_result.coverage|float * 100)) }}%</h3>
+        <p>(Number of Conceptual XPATHs found in notices) / (Total number of unique XPATHs in provided notices)</p>
+    <li><div><hr></div>
+        <h4>Conceptual coverage</h4>
+        <h3>{{ "%.2f"|format((validation_result.conceptual_coverage|float * 100)) }}%</h3>
+        <p>(Number of Conceptual XPATHs found in notices) / (Total number of unique Conceptual XPATHs)</p>
+    </li>
     {%  set nr_notices = notices|length %}
     <li><div><hr></div>
         {% if nr_notices > 1 %}
@@ -140,7 +150,24 @@
     </tbody>
 </table>
 {% endif %}
-
+{% if validation_result.xpath_covered|length > 0 %}
+<hr>
+<h2>XPATHs covered in the "Rules" of Conceptual Mapping</h2>
+<table class="display summary" data-order='[[0, "asc"]]'>
+    <thead>
+    <tr>
+        <th>XPATH</th>
+    </tr>
+    </thead>
+    <tbody>
+    {% for xpath in validation_result.xpath_covered %}
+    <tr>
+        <td class="break-word">{{ xpath }}</td>
+    </tr>
+    {% endfor %}
+    </tbody>
+</table>
+{% endif %}
 <hr>
 </body>
 </html>