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.

tinyMCE.addI18n('en.advhr_dlg',{
normal:"Normal",
width:"Width",
widthunits:"Units",
size:"Height",
noshade:"No shadow"
});