Firefox: tweaks

• Disable prefetching: set network.prefetch-next key to false.
• Turn on spell-checking in input fields as well as textareas: set layout.spellcheckDefault to 2
• (Windows OS only ? ) To Allow Windows to swap out memory when the program is minimized:create a new boolean config.trim_on_minimize and set it true
• Set network.http.pipelining and network.http.proxy.pipelining to true
• Set network.http.pipelining.maxrequests to 30