Added a property and accessors for the original checksum of the image
Set the original checksum of the image
Added a filter for original checksums
Updated docs with info on the originalChecksum field
Added originalChecksum fields to the SQL scripts
Set originalChecksums in the query object if they exist in the query params
Added support for originalChecksum
Make sure to output the originalChecksum fields
Added originalChecksum to the output
Updated tests
Updated ChangeLog
Updated docs regarding upgrading Imbo
Added a test that uses the originalChecksums filter
Merge pull request #253 from christeredvartsen/issue-253

Store original checksum of incoming images
Renamed the shorturl route to globalshorturl internally
Added two more routes for short URL handling
Removed the Behat feature for now as it will be rewritten soon
Removed stuff related to short URLs
Added two new resources
Added a parameter so that a single short URL can be deleted at a time