union to study request
study requests for admin
migrations for study request
add user pages for study request
add locales for study request
Merge branch 'feature/study_request_37' into staging

Conflicts:
	app/views/layouts/web/admin/shared/_navbar.html.haml
	config/locales/activerecord.ru.yml
	config/locales/custom.ru.yml
	config/locales/helpers.ru.yml
	config/routes.rb
	db/schema.rb