using the latest mundane on files

Conflicts:
	ivory-core/src/main/scala/com/ambiata/ivory/core/Factset.scala
	ivory-core/src/main/scala/com/ambiata/ivory/core/Reference.scala
	ivory-core/src/main/scala/com/ambiata/ivory/core/Repository.scala
	ivory-storage/src/main/scala/com/ambiata/ivory/storage/repository/Stats.scala
	ivory-storage/src/main/scala/com/ambiata/ivory/storage/store/package.scala
using with store keys
introduced IvoryLocations