Dev server doesn't autoreload/re-apply theme's monkey patches

[stevenday]

It would be a nicer experience developing an alaveteli theme if the dev server auto-reloaded the code you're working on. Currently if you change something in, say, controller_patches.rb you have to stop and start the server before it's picked up and applied. It looks like this is the intention, with sections like: https://github.com/mysociety/alavetelitheme/blob/master/lib/controller_patches.rb#L1-L9 but it doesn't seem to work as intended. Perhaps it's something about when/how this is run? https://github.com/mysociety/alavetelitheme/blob/master/lib/alavetelitheme.rb#L24-L29 (I'm afraid my rails knowledge is a bit too limited to be of more help here)