prepare release gaffer2-1.2.0
prepare release gaffer2-1.2.0-RC1
prepare release gaffer2-1.1.2
prepare release gaffer2-1.1.1
prepare release gaffer2-1.1.0
prepare release gaffer2-1.1.0-RC1
prepare release gaffer2-1.0.2
prepare release gaffer2-1.0.1
prepare release gaffer2-1.0.0
prepare release gaffer2-1.0.0-RC5