crypto/tls: add support for TLS 1.1. (CL 7872043).
encoding/json: accept but correct invalid UTF-8 in Marshal (CL 11211045).
flag: add Getter interface (CL 10472043).
+flag: export commandLine (now CommandLine) (CL 12587043).
fmt: indexed access to arguments in Printf etc. (CL 9680043).
go/build: support including C++ code with cgo (CL 8248043).
image/draw: added Drawer, FloydSteinberg and the op.Draw method (CL 10977043).