don't transform a module descriptor after it has already been processed by this sbt version.  Ref #876.
don't transform a module descriptor after it has already been processed by this sbt version.  Ref #876.

mdedetrich/sbt,mdedetrich/sbt,jkinkead/sbt,twitter-forks/sbt,jkinkead/sbt,xeno-by/old-scalameta-sbt,pocketberserker/sbt,jaceklaskowski/sbt,xuwei-k/xsbt,pdalpra/sbt,dyx/sbt,dyx/sbt,mdedetrich/sbt,xuwei-k/xsbt,jasonchaffee/sbt,xeno-by/old-scalameta-sbt,dyx/sbt,xeno-by/old-scalameta-sbt,sbt/sbt,sbt/sbt,mdedetrich/sbt,sbt/sbt,mdedetrich/sbt,xeno-by/old-scalameta-sbt,twitter-forks/sbt,twitter-forks/sbt,Duhemm/sbt,twitter-forks/sbt,corespring/sbt,xuwei-k/xsbt,sbt/sbt,som-snytt/xsbt,adriaanm/sbt,Duhemm/sbt,mdedetrich/sbt,jaceklaskowski/sbt,xeno-by/old-scalameta-sbt,xeno-by/old-scalameta-sbt,sbt/sbt,twitter-forks/sbt,sbt/sbt,xuwei-k/xsbt,jaceklaskowski/sbt,jkinkead/sbt,dansanduleac/sbt,mdedetrich/sbt,dyx/sbt,jkinkead/sbt,dyx/sbt,xuwei-k/xsbt,Duhemm/compiler-bridge,jaceklaskowski/sbt,Sciss/sbt,jkinkead/sbt,sbt/sbt,jaceklaskowski/sbt