[gem] Remove rack-mini-profiler
[spec] Improve controller_requests
[spec] Rename controller_request to controller_helpers and move include into the module
[spec] Move include into the module auth_helpers
[spec] Move include into request_helpers
[spec] Move include into flash_helpers
[spec] Add random order and migration check to spec_helper
[gem] Remove spork
[helpers] Refactor person_helper
[controllers/concerns] Refactor StudentChooserController
[controllers] Improve class_groups/students_controller
[controllers] Improve course_groups/course_group_enrollments_controller
[controllers] Improve courses/enrollments_controller
[controller] program controller, permit attributes, refactor loading select data
[model|spec] remove validations for program because of nested creation
comment rack-mini-profiler
[view] use collection_select instead of select
[locale] fix locale
[controllers] Improve concerns/enrollments_controller
Merge branch 'master' into fix_program_specs

Conflicts:
	core/app/controllers/gaku/gaku_controller.rb