Resolve "voucher functionality"

Closes #182 (closed)

smash/web/forms/__init__.py

@@ -4,8 +4,10 @@ from forms import WorkerAddForm, \
     AvailabilityEditForm, HolidayAddForm
 from study_subject_forms import StudySubjectAddForm, StudySubjectDetailForm, StudySubjectEditForm
 from subject_forms import SubjectAddForm, SubjectEditForm, SubjectDetailForm
+from voucher_forms import VoucherTypeForm, VoucherTypePriceForm, VoucherForm
 
 __all__ = [StudySubjectAddForm, StudySubjectDetailForm, StudySubjectEditForm, WorkerAddForm, WorkerEditForm,
            AppointmentDetailForm, AppointmentEditForm, AppointmentAddForm, VisitDetailForm, VisitAddForm,
            ContactAttemptForm, ContactAttemptEditForm, KitRequestForm, StatisticsForm, AvailabilityAddForm,
-           AvailabilityEditForm, HolidayAddForm, SubjectAddForm, SubjectEditForm, SubjectDetailForm]
+           AvailabilityEditForm, HolidayAddForm, SubjectAddForm, SubjectEditForm, SubjectDetailForm, VoucherTypeForm,
+           VoucherTypePriceForm, VoucherForm]