Bug 868331 - Add Heroku CloudFront to PSL. r=gerv.

netwerk/dns/effective_tld_names.dat

@@ -6979,6 +6979,11 @@ codespot.com
 googleapis.com
 googlecode.com
 
+// Heroku : https://www.heroku.com/
+// Requested by Tom Maher <tmaher@heroku.com> 2013-05-02
+herokuapp.com
+herokussl.com
+
 // iki.fi
 // Requested by Hannu Aronsson <haa@iki.fi> 2009-11-05
 iki.fi