Shows first line of any response that the codereview server
has identified as an LGTM.  Example output below.

5305046:
        big: update for fmt interface changes

        Nothing terribly interesting here.

        Reviewer: gri@golang.org
                gri: LGTM
        CC: golang-dev@googlegroups.com
        Files:
                src/pkg/big/int.go
                src/pkg/big/nat.go
                src/pkg/big/nat_test.go
                src/pkg/big/rat.go

5307044:
        exp/template/html: use rune

        Nothing terribly interesting here.

        Reviewer: mikesamuel@gmail.com, nigeltao@golang.org
                mikesamuel: I don't see a type def for rune.  Assuming that's a new intrinsic, LGTM.
        CC: golang-dev@googlegroups.com
        Files:
                src/pkg/exp/template/html/css.go
                src/pkg/exp/template/html/css_test.go
                src/pkg/exp/template/html/html.go
                src/pkg/exp/template/html/js.go

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5297045