Merge branch 'release-2.0.1'
Merge branch 'release-2.0.2'
Merge branch 'release-2.1.0'
Merge branch 'release-v2.1.1'
Merge branch 'release-v2.1.2'
Merge branch 'release-v2.1.3'
Merge branch 'release-v2.1.4'
Merge branch 'release-v2.1.5'
Merge branch 'release-v2.1.6'
Merge branch 'release-v2.1.7'
Merge branch 'release-v2.1.8'
Merge branch 'release-v2.1.9'
Merge branch 'release-v2.1.10'
Update README.md
Merge pull request #16 from chadfennell/master

title is an invalid field, change to sourceResource.title=fruit
Bundle update rails to 3.2.18 for security updates
Add JSON LD context endpoints for item and collection
Add pessimistic version requirements for unicorn and rubygems-bundler
Standardize all error messages to JSON as expected by clients
Add missing JSON support to the "raise" query param