#369560 and #380200: New APIs for retreiving a list of files within a node, and the inverse of retreiving a list of nodes that reference a file.

#366434 and #430196: FileField specific Views support, adding the "list" filter and the "data" field.

#417774: Add Public FileField API Functions and fix field_file_references() to not be field specific.

#367267: Reverting line needed for multigroup support, since it breaks groups until the multigroup patch is applied.

#397578: Uncouple ImageField from custom FileField hooks. Implement ImageField as a dependent widget for FileField.

#387194: Major FileField UI Refactoring. Putting File info side-by-side the preview, hiding fields that are unnecessary before uploading a file.

#303286 by dopry, drewish, moonshine, Add field to file during validation so it is available during hook_file_insert.