Amend contributing build instructions to help solve potential build problems
Amend contributing build instructions to help solve potential build problems

mdedetrich/sbt,sbt/sbt,sbt/sbt,sbt/sbt,sbt/sbt,Duhemm/sbt,xuwei-k/xsbt,Duhemm/sbt,xuwei-k/xsbt,xuwei-k/xsbt,mdedetrich/sbt,sbt/sbt,mdedetrich/sbt,xuwei-k/xsbt,sbt/sbt,mdedetrich/sbt,mdedetrich/sbt,sbt/sbt,mdedetrich/sbt,dansanduleac/sbt,xuwei-k/xsbt,mdedetrich/sbt