Update CHANGELOG for v2.2.0 release [skip ci]
Update CHANGELOG for v2.2.0 release [skip ci]

Nubisproject/nubis-ci,gozer/nubis-ci,gozer/nubis-ci,tinnightcap/nubis-ci,Nubisproject/nubis-ci,tinnightcap/nubis-ci