Implement account deletion

templates/account_delete.html.twig

@@ -15,21 +15,16 @@
 
     <h3>Delete account</h3>
 
-    <p>You are about to delete the mail account "{{ accountUsername }}" including the following aliases:</p>
+    <p>You are about to delete the mail account "{{ accountUsername }}" <b>including</b> the following aliases:</p>
     <ul>
         {% for alias in aliases %}
             <li>{{ alias.getMailAddress() }}</li>
         {% endfor %}
     </ul>
 
-    <p><b>Note:</b> This will only delete the user entry from the database. Mail data will not be deleted!</p>
+    <p><b>Note:</b> This will only delete the account entry from the database. Mail data will not be deleted!</p>
 
-    {% if error is defined %}
-        <div class="error_box">
-            <h4>Error:</h4>
-            {{ error }}
-        </div>
-    {% endif %}
+    {{ include('includes/form_result_box.html.twig') }}
 
     <div class="confirmation_box">
         <p><b>Please confirm that you want to delete this account by entering your password.</b></p>

templates/accounts.html.twig

@@ -13,6 +13,8 @@
 
     <h3>List of accounts</h3>
 
+    {{ include('includes/form_result_box.html.twig') }}
+
     <div class="filter_options">
         <form action="/accounts" method="GET">
             <h4>Filter:</h4>