[RM] release 2.1.2

[RM] release 2.1.1

[RM] release 2.1.0

[RM] release 2.0.0

[RM] release 2.0.0RC1

[RM] release 2.0.0beta2

[RM] release 2.0.0beta1

[RM] release 2.0.0alpha2

[RM] releasing version 2.0.0alpha1

[RM] releasing version 1.11.0