departures: use hafas/iris icons

<div class="row">

	<div class="col s12 center-align">

		<i class="tiny material-icons "><%= param('hafas') ? 'directions' : 'train' %></i>

		<b><%= $station %></b>

		% for my $related_station (sort { $a->{name} cmp $b->{name} } @{$related_stations}) {

			<br/><%= $related_station->{name} %>

			<br/>+ <%= $related_station->{name} %>

		% }

	</div>

</div>

% if ($api_link) {

	<div class="row">

		% if (param('hafas')) {

			<div class="col s12 center-align">

				<a href="<%= $api_link %>">Schienenverkehr</a>

			</div>

		<div class="col s12 center-align">

				→ Nahverkehr ←

			</div>

			% if (param('hafas')) {

				<a href="<%= $api_link %>">zum Schienenverkehr</a>

			% }

			% else {

			<div class="col s12 center-align">

				→ Schienenverkehr ←

			</div>

			<div class="col s12 center-align">

				<a href="<%= $api_link %>">Nahverkehr</a>

			</div>

				<a href="<%= $api_link %>">zum Nahverkehr</a>

			% }

		</div>

	</div>

% }

% my $have_connections = 0;

% if ($user_status->{checked_in}) {