build: stop on failed deps.bash
build: stop on failed deps.bash

Apparently some versions of bash do the ||exit implicitly
when in set -e mode, but others do not.  ???

R=gri
CC=golang-dev
http://codereview.appspot.com/5285043
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go