import bazil.org/fuse at f6649cd46fb76b1e04ba9eeffb773cb189278d31
remove code.google.com/p/rsc/fuse.
Huge thanks to Tommi Virtanen for the fuse support.
Change-Id: I44b95ac1ea344648593c7376f83ca675a56077b3
Currently one a few stats are tracked, but more can be added easily now.
The only test using this is using it to verify that the read-only open optimization
is used.
Change-Id: I1e2fb8a0222ade82631670d7c51e684778d031ae