small tweaks to the golang readme
small tweaks to the golang readme

Change-Id: Ib0d55f00133de753c5ca4d549fd6b8b763a4e8b3

redbo/hummingbird,nadeemsyed/hummingbird,corystone/hummingbird,creiht/hummingbird,nadeemsyed/hummingbird,creiht/hummingbird,corystone/hummingbird,troubling/hummingbird,redbo/hummingbird,troubling/hummingbird