Boxes takes content directly from the DB and drops it into the django
templates. This is rather ugly and goes against keeping as much as we
can in static locations. As such, this is being dropped.
* Fixes an incorrect link in dashboard
* Disables the symposion sponsors app
* Adds redirect links for login/logout; adds THEME_CONTACT_EMAIL value
* Re-adds colophon/copyright message.
* Adds AceMarkdownEditor widget
* Tidies up the generated HTML
* Tidies up form snippet behaviour
* Proposals forms now use the markdown editor
* Monkey patches the markdown editor into the speaker form.
* Adds missing field to proposal details
* Fixes#10 — adds a link to random unreviewed proposals
* Minor tweaks
