rdhutchins/tessr — pull request #1 by rdhutchins (2014-10-15 04:26:16+00:00)
Title: Using gulp with server side nodemon

So I found this article, which suggests putting browser-sync *IN* your express callback, because otherwise it gets confused when the express server is restarted under it.
http://webcache.googleusercontent.com/search?q=cache:53Lth6B0v_0J:blog.ponyfoo.com/2014/08/12/a-browsersync-primer+&cd=4&hl=en&ct=clnk&gl=us