#18472 Redone settings page, moved utility js code to a_common_libs
Merge branch 'i18472' into development

Conflicts:
	app/views/settings/_usability.html.erb
	config/locales/en.yml
	config/locales/ru.yml
	lib/usability/issues_helper_patch.rb
Merge branch 'development' of https://github.com/tdvsdv/usability into development