added link to blog post
added warning about fragility of parsing script.html.
added 'clean' command to manage.py
now 'python manage.py runserver' can be used to quickly iterate on a …
…presentation without having to re-run a separate build step every time the script narration is changed.
scriptLoaded is now an actual jQuery Deferred, rather than a query, w…
…hich was causing a bug whereby no visuals would appear alongside the audio sometimes.
thinned size of voiceover player.
Subtitles can now be toggled. Also added credits.