Merge pull request #52 from theodi/bugfix-web-urls

Fix to course instance request tests
Bump odi_content_models version
Enable JSON callbacks for Rabl
Merge pull request #53 from theodi/feature-support-jsonp

Support JSONP
Update `odi_content_models`
Preserve filters on redirect
Search tagged requests by node, author and organization
Search all artefacts by node, author and orgnaization
Merge pull request #55 from theodi/feature-get-artefacts-by-node-and-author

Get artefacts by node, author and organization
update content model gem to get multiple select for nodes/orgs
Update tests to handle multiple nodes/orgs
Merge pull request #56 from theodi/feature-multiple-nodes-and-orgs

Support multiple selection for nodes and orgs
Add tests to check author details are correct
Refactor author edition inclusion
Include node summary in artefacts
Expose organization details
Merge pull request #57 from theodi/feature-nodes-and-orgs-in-artefacts

Include nodes and organizations in artefacts
Handle nodes if they are incorrectly stored as a string

Mainly for legacy content, I think.
Merge pull request #58 from theodi/bugfix-handle-nodes-as-string

Handle nodes if they are incorrectly stored as a string
Add level and beta data to nodes in artefact view