Notes for leiningen-clojure - reproducible builds result

Version annotated: 2.8.1-7
Identified issues:
Identifier: user_in_java_jar_manifest
Description Java .jar files contain user login in the `Built-By` of `MANIFEST.MF`.
Identifier: timestamps_in_jar
Description jar (Java Archive) file stores mtimes. Most often of files generated during
the build.
Bugs noted: 906720+: "leiningen-clojure: please make the build reproducible"

Our notes about issues affecting packages are stored in notes.git and are targeted at packages in Debian in 'unstable/amd64' (unless they say otherwise).