Fix people list

Cope with Jimmy McFoo as a name!
Don't set the top expo value in the code whin it is piss easy to calculate
Fix typo from last commit

templates/personindex.html

@@ -31,8 +31,8 @@
 <tr>
   <td><a href="{{ person.get_absolute_url }}">{{person|wiki_to_html_short}}</a></td>
   <td><a href="{{ person.first.get_absolute_url }}">{{person.first.expedition.year}}</a></td> 
-  <td><a href="{{ person.last.get_absolute_url }}">{{person.last.expedition.year}}</a></td> 
-  <td>{{ person.surveyedleglength }}</td>
+  <td><a href="{{ person.last.get_absolute_url }}">{{person.last.expedition.year}}</a></td>
+  <td></td>
 </tr>
 {% endfor %}
 </table>