Gem updates for hh5
Merge branch 'master' into hh5
Adding .rvmrc file
Gem updates
Config update as per migration notes
Updating to pre2 release
Removing ArchivalImage
Defining rockhall as its own module and requiring it
Initial changes to controllers and models

Note: SubmissionWorkflow is not being included
Gemfile update
HH-pre4 update

Fixes issues with SubmissionWorkflow; Hydra::Catalog is no longer
needed.
Update to latest HH pre-release
OM rc was complaining about some namespace stuff
Replacing #load_instance with #find
Installing hydra-pbcore
Moving all our datastream definitions to app/models/datastream
Removing datastream definitions from their old locations
Removing remaining files that are now part of hydra-pbcore
Using default instantiation definition that comes with hydra-pbcore
Moving AssetReview test to spec/datastream