Refactor RateLimiter so that if Redis is not running, everything still runs normally (minus the rate limiting protection). My assumption that creating a Redis connection would throw an exception if Redis wasn't running was wrong. The exceptions actually occur when you issue a command. This is for #224.

{% extends 'base.html' %}
{% block title %}Logged Out{% endblock %}
{% block content %}
<h2>Logged Out</h2>
<p>You are now logged out of SurfGuitar101.com. Thanks for spending some quality time with us today. Tell all your
friends about us and we hope we see you soon!</p>
{% endblock %}