Bug 1037901 - Add flynnhub.com to PSL. r=gerv

netwerk/dns/effective_tld_names.dat

@@ -8583,6 +8583,10 @@ global.prod.fastly.net
 // Submitted by Chris Raynor <chris@firebase.com> 2014-01-21
 firebaseapp.com
 
+// Flynn : https://flynn.io
+// Submitted by Jonathan Rudenberg <jonathan@flynn.io> 2014-07-12
+flynnhub.com
+
 // GitHub, Inc.
 // Submitted by Ben Toews <btoews@github.com> 2014-02-06
 github.io