Set config.time_zone in config/application.rb.
Add gem better_errors (and binding_of_caller) and update minimum bcrypt-ruby to 3.1.2 for ActiveModel 4.0.1.
Change date format in PatientRecordsPresenter. (Drop month blank-padding.)
Add i18n_alchemy gem to convert mm/dd/yyyy date strings to valid ruby format for patient-data models.