I've packaged thinkfan for Fedora. It's available at my own repo: http://olea.org/paquetes-rpm/repoview/thinkfan.html
Probably I'll postulate it to Fedora itself.
In this sense I would ask you to include a COPYING file with the full text of license, as Fedora ask for it, to have perfectly clear what the license is from upstream.
I've attached a revised thinkfan.service. I am not an systemd expert but this seems to work and it's a bit more complete.
If you need me to gather some data of the alpha releases please write me.