Move deps from _workspace/ to vendor/

godep restore
pushd $GOPATH/src/github.com/appc/spec
git co master
popd
go get go4.org/errorutil
rm -rf Godeps
godep save ./...
git add vendor
git add -f $(git ls-files --other vendor/)
git co -- Godeps/LICENSES Godeps/.license_file_state Godeps/OWNERS

vendor/github.com/mesos/mesos-go/messenger/doc.go

@@ -0,0 +1,7 @@
+/*
+Package messenger includes a messenger and a  transporter.
+The messenger provides interfaces to send a protobuf message
+through the underlying transporter. It also dispatches messages
+to installed handlers.
+*/
+package messenger