the huge 117+ fixes update

ffroot/defaults/pref/channel-prefs.js

@@ -0,0 +1,9 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+//
+// This pref is in its own file for complex reasons. See the comment in
+// browser/app/Makefile.in, bug 756325, and bug 1431342 for details. Do not add
+// other prefs to this file.
+
+pref("app.update.channel", "aurora");

ffroot/defaults/pref/config-prefs.js

@@ -0,0 +1,3 @@
+pref("general.config.obscure_value", 0);
+pref("general.config.filename", "config.js");
+pref("general.config.sandbox_enabled", false);