Update load simulator: aggregate performance stats
Add error log to double-set hangout url
Add fully qualified 'from' to log emails
Merge branch 'master' into header-ui

Conflicts:
	conf.json.example
	lib/logging.js
Merge branch 'load-simulator' into header-ui
Merge branch 'header-ui' of github.com:drewww/unhangout into header-ui