import_lsp.py: Actually fix encoding issues
Begin adding Markdown support

* Use django-markupfield for Submission's description
* Add Profile for allowing users to save a description about themselves (iss #9)
* Update README
* Move django-autofixture to new file requirements.dev.txt, as it's not required in production
Remove Markup support for now

django-markupfield is broken with django 1.7, removing it again…