Set lower limit when shrinking footer. Fixes #3426.
slightly delay shutdown of run_locally.js daemons to avoid shutdown races
fix a couple of jshint nits while I'm here (not all)
upgrade to awsbox 0.4.5
Merge pull request #3483 from mozilla/awsbox-upgrade

Awsbox upgrade
Merge pull request #3450 from 6a68/issue_3426_fix_footer_shrink

Set lower limit when shrinking footer. Fixes #3426.
Merge pull request #3480 from jrgm/issue3465-start-stop-chill

slightly delay shutdown of run_locally.js daemons to avoid shutdown races