Notes for klayout - reproducible builds result

Version annotated: 0.26.2-3
Identified issues:
Identifier: bin_sh_is_bash
Description Various issues that are caused from whether /bin/sh is dash or bash.
Bugs noted: 977415+: "klayout: reproducible builds: Binaries contain build timestamps"
977416+: "klayout: reproducible builds: /usr/bin/klayout broken when /bin/sh points to bash"
Comments: sets KLAYOUT_VERSION_DATE without specifingy timezone,
locale or using SOURCE_DATE_EPOCH.

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).