Deprecates these ModuleSystem attributes in favor of the user service: * user_location * get_real_user * get_user_role Related changes: * Stores the user location into DjangoXBlockUserService's optional attribute as request_country_code * Uses the student model's user_by_anonymous_it to fetch the (cached) real user * Updates affected tests
common ------ This directory contains common code shared between LMS and CMS, such as Mako templates, CSS, and Coffescript.