gitstats is dual-licensed under GPLv2/GPLv3, so naturally the contributions are
asked to be GPLv2+.
Thanks-to: Matthieu Moy <Matthieu.Moy@grenoble-inp.fr>
Renamed name to GitStats from statgit in the rest of the files.
This name change was done just in case the statcvs/statsvn folks plan on making
a git version at some point in the future (the projects seem to share
developers).