Facebook users running Android have been clamoring for speed updates, and it looks like they'll at least get some of what they desire today. A version 2.0 revamp moves partly to native code and is purportedly twice as fast at loading the Timeline and photos, on top of simply being faster to start. The upgrade also lets us quickly flip through photos without having to shift attention away from the news feed. Google Play isn't yet carrying Facebook 2.0 as of this writing, but it's promised w