Enhance anonymizer
Enhance anonymizer

* Overwrite user passwords
* Don't accidentally make unpublished events published
* Drop historical data from django-reversion
* Add a reminder for the user to populate initial revisions
  for all tracked objects

swcarpentry/amy,vahtras/amy,wking/swc-amy,vahtras/amy,pbanaszkiewicz/amy,vahtras/amy,swcarpentry/amy,wking/swc-amy,pbanaszkiewicz/amy,swcarpentry/amy,wking/swc-amy,wking/swc-amy,pbanaszkiewicz/amy