Youtube Fixes

This'll be fast and breezy. Firefox users can install them with Greasemonkey; Chrome users could use the native equivalent, but there's no point since Chrome can install Greasemonkey scripts as native extensions. However, Chrome seems to have some weird behaviour where it'll recognise it as an extension due to the extension being .user.js rather than just .js, but then complain that the website isn't authorised to install extensions—instead, download the file and then drag it into the Extensions window yourself and you'll be fine.