* 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
* Adds basic wagtail app to the website
* Renames lca_website to cms_pages for clarity; re-instates pinax-boxes until we remove them from the templates
* OOPS
* Just Enough Wagtail
* Removes the template view homepage from urls.py
* OOPS
* Makes the home page use a stream field
* Removes an irrelevant migration that I accidentally introduced.
