Polls without any votes should look a little nicer now.
.hide_on_edit and other similar classes should now override other classes on Cosora.
Added <red> to avoid having to use inline styles for parser errors.
Reorganised a few elements in topic.html and topic_alt.html
Split topic_poll.html out of topic.html
Fixed a bug where attachments were getting assigned to the wrong reply / topic.
Added the router_after_filters hook.
Added the topic.poll_no_results phrase.
Added two parser tests.
