Use bootstrap buttons. Advances #81.

biscuit/core/templates/core/edit_group.html

@@ -12,7 +12,9 @@
   <form method="post">
     {% csrf_token %}
     {% bootstrap_form edit_group_form %}
-    <input type="submit" value="Edit" />
+    <button type="submit" class="btn btn-primary">
+      {% blocktrans %}Edit{% endblocktrans %}
+    </button>
   </form>
 
 {% endblock %}

biscuit/core/templates/core/edit_person.html

@@ -18,7 +18,9 @@
   <form method="post" enctype="multipart/form-data">
     {% csrf_token %}
     {% bootstrap_form edit_person_form %}
-    <input type="submit" value="Edit" />
+    <button type="submit" class="btn btn-primary">
+      {% blocktrans %}Edit{% endblocktrans %}
+    </button>
   </form>
 
 {% endblock %}

biscuit/core/templates/core/persons_accounts.html

@@ -45,6 +45,8 @@
       {% endfor %}
     </table>
 
-    <input type="submit" value="Update" />
+    <button type="submit" class="btn btn-primary">
+      {% blocktrans %}Update{% endblocktrans %}
+    </button>
   </form>
 {% endblock %}