The current code are available in, https://git.yoctoproject.org/cgit/cgit.cgi/poky-contrib/log/?h=alimon/RRS It is need to do a squash in order to integrate to layerindex-web.
Code at, http://git.yoctoproject.org/cgit/cgit.cgi/poky-contrib/tree/scripts/tools/rrs_maintainer_history.py?h=alimon/RRS-squash