Temporarily make FileTree.Repository public
Temporarily make FileTree.Repository public

This should not be exposed to users but will be for M1.

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