All package sets are simultaneously updated to accommodate changes to
package-build. Due to new restrictions in package-build, all packages using
`melpaBuild` must now provide a recipe file, even those packages which are not
included in upstream MELPA.
Also specified specific revisions of the file to download to not have
a breaking package whenever the author decides to update the package.
This happened on 2018-01-01 when the author updated the copyright of
the package to match the new year.