Add SimpleForms extension
Revert "Add SimpleForms extension"

This reverts commit 5677aefe11d83f986f9e46f2295ad0b3b6e9fb20.

SimpleForms is broken.
Update README with some basic docs
mkdir /srv/web on webservers
Fix virtualenv setup for spiff, and only run syncdb on www-0
move sysadmins into a separate config file for sharing
Move sysadmin-git user into administrative-infrastructure, and import RPM keys
re-use mw_prefix variable, and install ImageMagick for mediawiki
Add second webserver
Restrict mailman to the mail server
Restructure the playbooks