Bug 472368: Decide on a bfcache setting for fennec, r=stuart

mobile/app/mobile.js

@@ -68,7 +68,7 @@ pref("network.http.max-persistent-connections-per-server", 4);
 pref("network.http.max-persistent-connections-per-proxy", 4);
 
 /* session history */
-pref("browser.sessionhistory.max_total_viewers", 0);
+pref("browser.sessionhistory.max_total_viewers", 1);
 pref("browser.sessionhistory.max_entries", 50);
 
 /* these should help performance */