Release scripts

• 

  Ruhanga <41738040+Ruhanga@users.noreply.github.com> 29 Aug 2019 ab83775184d5fb0f928388fa25ee675b855dd53c

  Adding support for alpha versions (#6)

  • release-prepare-perform.sh (version ab83775184d5fb0f928388fa25ee675b855dd53c)