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 %}Thanks For The Feedback{% endblock %}
{% block content %}
<h2>Your Message Has Been Sent</h2>
<p>Thank you for the message, it has been emailed to the site management.</p>
{% endblock %}