* 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
* Themes speaker_edit.html
* speaker_create now uses takeflight theme
* proposal_submit_kind now uses takeflight theme
* fixes bug in form_snippet
* Optimises proposals_submit_kind
* proposal_submit now uses wagtail theme
* Proposal_edit now uses new theme
* More forms
* Proposal details page now loads from take flight theme
* proposal_fields now looks nicer under the take flight theme
* proposal_speaker_manage rethemed
