[Test-Announce] naming schemes

[Kamil Paral]

> > , the best idea would be to add something like .composeinfo file
> > inside the directory, which would contain all the metadata in a
> > ini-style or json-style syntax.
> 
> can it please at least be the same syntax as *either* buildstamp *or*
> treeinfo ? I'm sure there's a good reason why we have both those things
> and they don't use the same syntax, but, you know, let's not make it
> worse...:)

I know the files exist, but I don't remember their structure, I just typed something random to illustrate it. Of course it would be a good idea to have that consistent :)