Merge branch 'feature/study_request_37' into develop

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
Merge branch 'feature/fixed_menu_36' into develop
fixed flash for study requests
Merge branch 'feature/add_flash_study_request-46' 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
	db/schema.rb