For those for whom the desire to retain the old Firefox format is paramount, may I suggest Noia 4. I have been using it for several years with great results. The file name is: noia4v200rpre4 and can be located at:
[Edit Note: URL Removed. See reply.)
All you need do is install the xpi file and then configure. I attached a photo of it with my extensions installed. If your game, give it a try. Use Mozbackup to save your profile should you wish to go back but, I don't think that will happen.
The version in the photo is Firefox 30 beta1. I would like to know what you think of it?
i have added the rest of my extensions for viewing with another photo.
Toggle find bar and Wot are not shown.