Hello adg (cc: golang-dev@googlegroups.com), I'd like you to review this change to https://code.google.com/p/go.talks
LGTM
*** Submitted as https://code.google.com/p/go/source/detail?r=2378df072d62&repo=talks *** go.talks: add build tags to 2013 OSCON talks. R=adg CC=golang-dev https://codereview.appspot.com/12003043