Create ACL models for Orthanc: {user,group}{patient,study,series}

Data schema:

• No explicit user or group model in Orthanc. Resources ACL models will include a user and group field.
• There will be six ACL models for access control in Orthanc
  • three for group, three for user grants
  • two for series (user/group)
  • two for study (user/group)
  • two for patient (user/group)
• Permissions
  • view: retrieve resource files for viewing
  • modify: make changes to the resource
  • remove: remove the resource
  • acl: modify the access control permissions for the resource
• Tables
  • sonador_auth_user_patient
  • sonador_auth_user_study
  • sonador_auth_user_series
  • sonador_auth_group_patient
  • sonador_auth_group_study
  • sonador_auth_group_series