Fixed a couple bugs, added some documentation, tidied up a bit
Fixed error loading section page with recordings table
Merging with Jeremy
Merge branch 'master' of https://github.com/TheHipbot/lms299

Conflicts:
	views/recordings/start.html
Merge branch 'master' of https://github.com/TheHipbot/lms299
Combined add_existing() into create(), made consistent check of args with redirection