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
proper typing of Locations
removed the URI from locations
fixed the paths for storing commits metadata
fixed cli tests
added a spec for IvoryLocation operations
checked the import of dictionaries for either a directory or a single file
added a specification to test the 2 mode of ingestion
from a simple directory, specifying the namespace
from a partitioned directory
removed the pivot app - merge error
Merge pull request #319 from ambiata/topic/remove-references

DirPaths/FilePaths and locations