No difference in content or appearance.
Forgot to do this when I updated this file a few days ago.
R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4626056
add go course pdf files to doc/ for godoc to serve.
fix links to point to those files.
R=rsc
DELTA=7 (4 added, 0 deleted, 3 changed)
OCL=35972
CL=35981