add docs on updating gofabric8 for vagrant after release
add docs on updating gofabric8 for vagrant after release

KurtStam/fabric8,zmhassan/fabric8,dhirajsb/fabric8,zmhassan/fabric8,KurtStam/fabric8,dhirajsb/fabric8,chirino/fabric8v2,christian-posta/fabric8,rhuss/fabric8,zmhassan/fabric8,chirino/fabric8v2,zmhassan/fabric8,rhuss/fabric8,dhirajsb/fabric8,KurtStam/fabric8,chirino/fabric8v2,christian-posta/fabric8,rhuss/fabric8,dhirajsb/fabric8,rhuss/fabric8,christian-posta/fabric8,KurtStam/fabric8,chirino/fabric8v2,christian-posta/fabric8