Bibarchive: Initial Commit

* Bibarchive is a module to handle archive packages

* Archiving packages can be created and stored on
external systems for long term preservation and
disaster recovery purposes.
Bibarchive: File transer usese pyFS

* OS functions for copying replaces with pyFS functions
Bibarchive: Added configuration

* User can choose whether archives are store in FS, mongo or both

* Archive can be located in mongo, fs or both
Bibarchive: Versioning put in place

* Configurable number of versions kept (in config)

* Versioning implemented for mongo and filesystem storage
Bibarchive: Daemon Created

* CLI created for bibarchive
Bibarchive: Logger added

* All actions carried out using Bibarchive are recorded
in the arcLOG table.
Bibarchive: MARC stored in bagit

* The records MARC is now stored in bag-info.txt