Update brew script for 1.0.0-RC2
Update brew script for 1.0.0-RC2

magnetsystems/r2m-cli,etexier/r2m-cli,magnetsystems/r2m-cli,magnetsystems/r2m-cli,etexier/r2m-cli,etexier/r2m-cli,magnetsystems/r2m-cli,etexier/r2m-cli,etexier/r2m-cli