bump up memory for erebor VM to 4 GB
allow upstart dependencies in docker conf file
make gemss2_web service depend on gemss2_db
rm the sysv docker script that ships with ubuntu
- it seems to conflict with the upstart script (?!)
use busybox instead of postgres:9.3 for postgres data volume
prevents data corruption because postgres:9.3 image was trying to start
it's own postgres server and that's causing all sorts of havok