HBASE-24393 release scripts should allow for creation of initial CHANGES/RELEASE on new major version.
HBASE-24393 release scripts should allow for creation of initial CHANGES/RELEASE on new major version.

closes #1728

Signed-off-by: Guanghao Zhang <faff9ca0c43105dc4cfd04ace8a99a11e576eb3f@apache.org>

ndimiduk/hbase,Apache9/hbase,apurtell/hbase,Apache9/hbase,apurtell/hbase,apurtell/hbase,mahak/hbase,Apache9/hbase,ndimiduk/hbase,apurtell/hbase,apurtell/hbase,Apache9/hbase,Apache9/hbase,mahak/hbase,ndimiduk/hbase,apurtell/hbase,Apache9/hbase,ndimiduk/hbase,Apache9/hbase,mahak/hbase,ndimiduk/hbase,mahak/hbase,Apache9/hbase,mahak/hbase,ndimiduk/hbase,mahak/hbase,Apache9/hbase,ndimiduk/hbase,mahak/hbase,ndimiduk/hbase,ndimiduk/hbase,Apache9/hbase,mahak/hbase,apurtell/hbase,apurtell/hbase,mahak/hbase,apurtell/hbase,ndimiduk/hbase,apurtell/hbase,mahak/hbase