Merge branch 'hotfix_bootstrap' into 'dev'

Hotfix boostrapform

See merge request federez/re2o!385

cotisations/templates/cotisations/facture.html

@@ -44,8 +44,12 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 {% blocktrans %}Current balance: {{ balance }} €{% endblocktrans %}
 </p>
 {% endif %}
+{% if factureform %}
 {% bootstrap_form_errors factureform %}
+{% endif %}
+{% if discount_form %}
 {% bootstrap_form_errors discount_form %}
+{% endif %}
 
 <form class="form" method="post">
     {% csrf_token %}