Random chance weighed by browser usage

[jansegre]

This is a very nice project, but one thing that I'd like to do, in order to increase the legitimate appearance is to have the UAs random distribution consistent with browser usage.

This is a suggestion, could use data from http://browsermarketshare.com/ or http://www.netmarketshare.com/browser-market-share.aspx

I'd like to try to do this when I have some time.

[rdegges]

This is quite interesting. I'd be 100% down to include something like this if you want to take a stab at implementation. I'm currently backlogged with other project work, so I don't have too much time to spend on this, but would be more than happy to merge stuff in!