patient/index.html: slight html changes

The <h3> title was not informative.
Search box is now at the left, because we are mainly searching on the names of patients.

server/web2py/applications/vidjil/views/patient/index.html

 {{extend 'db_layout.html'}}
 {{import vidjil_utils}}
 
-<h3>Patient list</h3>
+<h3></h3>
 
 <div class="db_block">
-    <div class="db_block_right">
+    <div class="db_block_left">
         search
         <input id="db_filter_input" type="text" value="{{=request.vars["filter"]}}"  onchange="db.call('patient/index', {'filter' : this.value} )">
     </div>