made search a POST to /search be a redirect to a GET /search/<search_term> so that it works with back/forward buttons in the browser

templates/persons.html

@@ -12,9 +12,8 @@
 		<tr><td><a href="{{url_for('person', id=person.id )}}">{{person.tag}}</td>
             <td>
             {% if person.num_matches %}
-            <form id="_{{person.tag}}" method="POST" action="{{url_for('search')}}">
-                <input type="hidden" name="search_term" value="AI:{{person.tag}}">
-                <a href="javascript:$('#_{{person.tag}}').submit()">{{person.num_matches}} matches</a></form>
+                <a href="javascript:st=$('#search_term').val(); document.location.href='/search/AI:{{person.tag}}'">
+                    {{person.num_matches}} matches</a>
             {% else %}
                 No matches
             {% endif %}