Initial version of code and rspec tests
Create README.md
Added REST interface to Archive Catalog service
Add rake and a default rake task to run the tests
Merge pull request #1 from sul-dlss/travis-tweaks

Add rake and a default rake task to run the tests
SdrObjectVersion can now be used to update object & version tables in Archive Catalog
Added support for creating a replica bag and updating replica table in archive catalog
Now complying with BagIt spec by making manifest file paths be relative to bag home dir
Fixed bug in SdrObjectVersion#create_replica.  manifest entry was lacking data prefix
Rename methods to better convey the functionality
Fixes to SdrObjectVersion#catalog_version_data.  truncate long label; allow file inventory w/o content group
Convert nil value to empty string for missing fields in sdr_object_data sent to catalog
Bundle - remove ruby version constraint on Gemfile
Merge pull from sdr-replication
Adapt sdr-replication to archive-utils gem; adopt Apache 2 license.
Focus this gem on archive utilities; remove sdr-replication components.
Rspec - fix minor typo; TODO: fix tarfile_spec.