Add publish monitoring & postgres config
Update nginx config & use variables from the deploy.rb file for more config
Add in Graphicsmagic and the *optim programs
use 'force-restart' on the user services

The 'back' server can be stubborn, probably because of open SSE connections with browsers
Accounts come with an implicit trust of github

i.e. add GH's public key to the known_hosts file
Install & configure Wal-E backup of db
Stop spurious errors from service restart from crashing the install
Replace graphicsmagick with imagemagick
Include search related installs
Run right Rackup file for front server
Install htop
Include cron task to delete old backups
Fix publish monitoring

The previous version was leaving stray inotify processes around after service restarts
Add comment about WAL-E and non-us buckets
Add in maintenance tasks - delete old renders & rotate logs
Ensure that system has swap enabled