Merge branch 'master' into stable

Merge branch 'master' into stable

Merge branch 'stable' of github.com:geomstats/geomstats into stable

Merge branch 'stable' of github.com:geomstats/geomstats into stable

Bump to v2.2.2 geomstats version

Merge pull request geomstats#906 from cshewmake2/stable

Stable version 2.2.1

Add version 2.2.0

Bump to v2.1.0

Merge pull request geomstats#808 from geomstats/master

Merge master v2.1.0 into stable

Bump to v2.0.0