Bug 768150 - The developer toolbar should be preffed on by default for testing on nightly only; r=dcamp

browser/app/profile/firefox.js

@@ -1023,7 +1023,7 @@ pref("services.sync.prefs.sync.xpinstall.whitelist.required", true);
 pref("devtools.errorconsole.enabled", false);
 
 // Developer toolbar and GCLI preferences
-pref("devtools.toolbar.enabled", false);
+pref("devtools.toolbar.enabled", true);
 pref("devtools.toolbar.visible", false);
 pref("devtools.gcli.allowSet", false);
 pref("devtools.commands.dir", "");