add missing change_name template

% if (my $invalid = stash('invalid')) {

	%= include '_invalid_input', invalid => $invalid

% }

<h1>Name ändern</h1>

%= form_for '/account/name' => (method => 'POST') => begin

	%= csrf_field

	<div class="row">

		<div class="input-field col s12">

			<i class="material-icons prefix">lock</i>

			%= password_field 'password', id => 'password', class => 'validate', required => undef, autocomplete => 'current-password'

			<label for="password">Aktuelles Passwort</label>

		</div>

		<div class="input-field col s12">

			<i class="material-icons prefix">account_circle</i>

			%= text_field 'name', id => 'account', class => 'validate', required => undef, pattern => '[0-9a-zA-Z_-]+', maxlength => 60

			<label for="email">Neuer Name</label>

		</div>

	</div>

	<div class="row">

		<div class="col s3 m3 l3">

		</div>

		<div class="col s6 m6 l6 center-align">

			<button class="btn waves-effect waves-light" type="submit" name="action" value="update_name">

				Ändern

				<i class="material-icons right">send</i>

			</button>

		</div>

		<div class="col s3 m3 l3">

		</div>

	</div>

%= end