Restructure classification related code in Case model.
Implement default classification.
Allow zyto and admin roles to manage Doctors.
Use JPEG instead of PNG for OrderForms and use smaller version in PDF/mail.
Use proper filename and extension for archived result reports.
Use locales for case list headers.
Add Case.send_queues relation through mailings.
Fix SendQueue.to_s.
Add classification text in case lists.
Improve second_entry and review information in case lists.
Show SendQueue information in case lists.
Drop special cased entry_list for cases.
Update CHANGELOG.
Use better titles in case form for review_by and screened_by.
Add Employee.by_role scope.
Restrict options for screener and review_by fields in case form.
Update changelog for 1.0.3.