lockPref("browser.startup.homepage_override.mstone", "ignore");
pref("browser.aboutHomeSnippets.updateUrl", "data:text/html,");
pref("startup.homepage_override_url","");
pref("startup.homepage_welcome_url","");
pref("app.releaseNotesURL", "http://mozilla.debian.net/%LOCALE%/%APP%/%VERSION%/releasenotes/");
pref("devtools.selfxss.count", 0);