Replace digits (1,2, ...) for specimen constants (SPECIMEN_ACCEPTED, ...) in code base.
Moved Specimen status class constants from config file to Model.
Replaced digits (1,2, ...) for Test class constants (Test::NOT_RECEIVED, ...) in code base.
UI Changes: display of test status on the test.index and test.details views'
Added an 'Accept Specimen' button
Fixes to 'Start Test' process. Changed request method from GET to POST.
Created SpecimenType update dialog for the 'Specimen Change' button.
Tied 'Change SpecimenType' dialog to model. Test status changes. Fixes #83
Changes to test rejection process. GET to POST. Added new field to 'specimens' table
Merge specimen-collection-interface to master.
Merge branch 'specimen-collection-interface'