now displaying errors inside the player, this includes l2p auth

Closes #239 (closed)

templates/base.html

@@ -112,7 +112,7 @@
 				{% else %}
 				<div class="col-xs-12 col-md-offset-{{ page_border }} col-md-{{ 12-(2*page_border) }}">
 				{% endif %}
-					{% for msg in get_flashed_messages() %}
+					{% for msg in get_flashed_messages(category_filter=["message"]) %}
 					<div class="hidden-print alert alert-danger" role="alert">{{ msg|safe }}</div>
 					{% endfor %}
 					{% for msg in get_announcements(min_announcement_level) if (not request.cookies['alert-info-'+msg.id|string]) %}