Merge pull request #2 from jrwren/master

add user and upstart job
Merge pull request #3 from jrwren/master

Uploaded to dev ppa
Merge pull request #4 from jrwren/master

remove mongodb package dependency
Merge pull request #5 from jrwren/master

release 4.0.0
Merge pull request #6 from jrwren/master

build 4.0.1 - trivial