Rated 5 out of 5 stars

le Bull3tM0nk3y ar Noll. 5, 2013 · buan-nasc

You get what you want! It's exactly what I wanted, and this person has done it. If you use this, instead of using the built in restart buttons on the about:addons page, its faster.

It does still do the second firefox in the dock for OSX, but not as much as normal restarting.