Additional Clean Up, Favicons, etc.

templates/error.html

@@ -0,0 +1,16 @@
+{% extends "base.html" %}
+
+{% block head %}
+<link rel="stylesheet" href="{{ url_for('static', filename='dialog.css') }}">
+{% endblock %}
+
+{% block content %}
+<main>
+    <div>
+        <h2>{{ error.code }} {{ error.name }}</h2>
+        <h3>An error has occurred!</h3>
+        <p>{{ error.description }}</p>
+        <p><a href="/ade">Return to Front Page</a></p>
+    </div>
+</main>
+{% endblock %}