* Modifications to review_admin.html
* Adds “submit & jump to random proposal” button
* If user has a speaker profile, display their speaker profile name alongside their comments instead of their user name.
* 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