upgrade to awsbox 0.4.4

changes are here: https://github.com/mozilla/awsbox/blob/v0.4.4/ChangeLog#L1-L12

diff in awsbox is here: https://github.com/mozilla/awsbox/compare/v0.4.2...v0.4.4

I tested proper deployment, this will make our deployments run much faster, and they'll come up with ssl force behavior, and they'll properly restart the app upon instance restart.