Merge pull request #954 from edx/jarv/add-reg-curr

adding default for paid course registration currency

playbooks/roles/edxapp/defaults/main.yml

@@ -139,6 +139,9 @@ EDXAPP_CC_PROCESSOR:
     ORDERPAGE_VERSION: '7'
     PURCHASE_ENDPOINT: ''
 
+# does not affect verified students
+EDXAPP_PAID_COURSE_REGISTRATION_CURRENCY: ['usd', '$']
+
 # Configure rake tasks in edx-platform to skip Python/Ruby/Node installation
 EDXAPP_NO_PREREQ_INSTALL: 1
 
@@ -439,6 +442,7 @@ lms_auth_config:
 
 lms_env_config:
   <<: *edxapp_generic_env
+  PAID_COURSE_REGISTRATION_CURRENCY: "{{ EDXAPP_PAID_COURSE_REGISTRATION_CURRENCY }}"
   'CODE_JAIL':
     # from https://github.com/edx/codejail/blob/master/codejail/django_integration.py#L24, '' should be same as None
     'python_bin': '{% if EDXAPP_PYTHON_SANDBOX %}{{ edxapp_sandbox_venv_dir }}/bin/python{% endif %}'