Added argonaut to the list of dependencies for the projects and the storage sub-project in particular
Added agronaut dependency to core and data
Added CodecJson instance for Identifier
CodecJson instance for Date
Added CodecJson instance for SnapshotId
WIP: SnapshotMeta
Proper CodecJson instance for Date
Cleaned up the CodecJson instance for Date
CodecJson instance for CommitId
minor renaming
WIP: writing the function to actually load the metadata it can find
Load and parse Snapshot metadata
Fixed up the Date json codec instance
Cleaned up the CodecJson instance for Date
save function for SnapshotMetadata
typo in DateJsonCodec
Added the latest* functions
Adding functions to Metadata.scala to generate commits if none exist
create new snapshot metadata
Cleaned up some useless comments