Some work on a hack to add audio support; not indended for use on the ibex farm
Minor.
Some bug fixes.
Minor.
More work on getting qs not to display until sound has played.
working prototype.
Merge branch 'master' into audiohack

Conflicts:
	docs/manual.txt
	js_includes/FlashSentence.js
	other_includes/main.js
	www/conf.js
	www/server.py
Fix syntax error in main.js
Temporary hack to stop new chunk caching attempting to serve audio files.
Fix bug with finishing in VBox.js
Update manual.txt