Update CHANGELOG for v1.2.0 release
Update CHANGELOG for v1.2.0 release

gozer/nubis-base,tinnightcap/nubis-base,limed/nubis-base,tinnightcap/nubis-base,limed/nubis-base,gozer/nubis-base,Nubisproject/nubis-base,limed/nubis-base,tinnightcap/nubis-base,Nubisproject/nubis-base,gozer/nubis-base