Tests and fixes for component manager and cache interface.
Tests and fixes for component manager and cache interface.

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