Change password

templates/main/manage_user_password.html.ep

 <div class="card">
     <div class="card-body">
-        <form method="post" name="form">
+        <form method="post" name="form" action="/admin/user/<%= $user->id %>.json" novalidate>
+            <input type="hidden" name="set_password" value="1">
             <label for="password"><%=l 'New password' %></label><br/>
             <input type="text" name="password" ng-model="password" ng-minlength="6">
             <br>