added came_from to login.jinja2

cao_blogr/templates/login.jinja2

@@ -7,6 +7,8 @@
 
     <form action="{{ login_url }}" method="post">
         <h2>Se connecter</h2>
+        <input type="hidden" name="came_from" value="{{ came_from }}" />
+
         <div class="form-group">
             <input type="text" name="username" class="form-control" placeholder="Identifiant">
         </div>
@@ -14,7 +16,7 @@
             <input type="password" name="password" class="form-control" placeholder="Mot de passe">
         </div>
         <div class="form-group">
-            <input type="submit" value="Se connecter" class="btn btn-primary">
+            <input type="submit" name="form.submitted" value="Se connecter" class="btn btn-primary">
         </div>
     </form>