slightly delay shutdown of run_locally.js daemons to avoid shutdown races
fix a couple of jshint nits while I'm here (not all)
Merge pull request #3480 from jrgm/issue3465-start-stop-chill

slightly delay shutdown of run_locally.js daemons to avoid shutdown races
Catch, log, and throw client errors
Merge pull request #3504 from mozilla/3374-log-errors

Catch, log, and throw client errors
add P3P headers to endpoints IE might care about