Old install_${PLATFORM} lingers as they are references from previous
releases.

Remove repo.v-c.o reference.

Closes #72

Ref #72

This adds a "branch" attribute to the rev objects.

If an "fmt" object exists with attributes "url_vcc" and/or "url_doc",
those are taken as printf formats (which should contain a single %s) and
used with the branch attributes from the revs.

Spotted by:	Dridi

If you wish to double-check:

    git show --word-diff --word-diff-regex=. $THIS_COMMIT

Now it's explicitly advertized as SHA256.

Package `varnish5` was removed, only varnish4 or varnish6 continue to exist.

Package `varnish` was removed, only varnish4 or varnish6 continue to exist.

This adds the sources for Varnish Cache 4.1.11.