Update required version of sbt in README
Update required version of sbt in README
crealytics/breeze,mredaelli/breeze,cilier/breeze,nikdon/breeze,wstcpyt/breeze,scalanlp/breeze,ktakagaki/breeze,eponvert/breeze,chen0031/breeze,sheide/breeze,ktakagaki/breeze,calippo/breeze,claydonkey/breeze,ContentSquare/breeze