Fix #128: Back up the Prism database first

This is a marginal saving in the number of failed backups.
Fix #126: Turn on IP bans access for moderators
Drop the text against IP bans
Fix #135: Remove the Nethrar module
Fix #133: Upgrade plugins to their latest versions
Disable the Essentials /vanish system
Add permissions for the VNP vanish system
Fix #130: Add VanishNoPacket
Fix #121: Avoid phase ordering issues on initial provision
Start basic website serving

This does not interpret PHP, nor does it have indices set up correctly.
Add indices to minecraft.nfreader.net
Add the PHP5 package
Add minecraft.nfreader.net to /etc/hosts
Add PHP handling
Fix #121: Avoid phase ordering issues on initial provision
Fix syntax error in permissions
Add colours on names
Activate VanishNoPacket
Add basic overviewer script
Make puppet always actually finish