Some of our files didn't have a copyright notice at all, let's add it. Also, update the notices in other files and ensure a SPDX identifier is present in all but the most trivial files. Change-Id: If7fa19ce484b415bc645e39b3d0d666b44b5f0fd
... including encoding/decoding of names between string and binary labels Change-Id: I981c7c1d34f0db60031b5436739cd924e5a09407