import changes from tenfourfox:

- remove Get More Tools, since it doesn't work (638361bd8)
- #583: always-on (mostly) reader mode (cb5d8f86a)
- #583: update Readability to latest tip; update glue to new API (8bd4c09a7)
- #581: M1047098 M1355576 (ec8e68102)
- closes #582: M1358018 modified for 45ESR (74fd7b6d0)
- a better idea for #583 (f0a4e7686)
- #584: M1507180 M1598605 (7b58ac561)
- #584: update certs, pins, TLDs (f9572b6f0)
- #334: remove moar tele (0761d9501)

modules/libpref/init/all.js

@@ -1049,9 +1049,6 @@ pref("dom.disable_window_open_feature.status",      true);
 
 pref("dom.allow_scripts_to_close_windows",          false);
 
-// TenFourFox issue 463
-pref("tenfourfox.dom.requestIdleCallback.enabled",  false);
-
 pref("dom.require_user_interaction_for_beforeunload", true);
 
 pref("dom.disable_open_during_load",                false);
@@ -5167,5 +5164,11 @@ pref("toolkit.pageThumbs.minHeight", 0);
 // when the page is reloaded. To turn this feature off, just set the limit to 0.
 pref("prompts.authentication_dialog_abuse_limit", 3);
 
+// TenFourFox issue 463
+pref("tenfourfox.dom.requestIdleCallback.enabled",  false);
+
 pref("tenfourfox.adblock.enabled", false);
 pref("tenfourfox.adblock.logging.enabled", false);
+
+// TenFourFox issue 583
+pref("tenfourfox.reader.force-enable", true);