doc/go1.2.html: add a "New packages" section similar to
http://golang.org/doc/go1.1#new_packages

R=r
CC=golang-dev
https://codereview.appspot.com/13368053
net/rpc: log I/O and internal errors only if debugLog is set.

Fixes issue 6367.

R=rsc, r
CC=golang-dev
https://codereview.appspot.com/13395047

Committer: Rob Pike <r@golang.org>