Add CCX configuration to yaml_config.py

lms/envs/yaml_config.py

@@ -300,3 +300,17 @@ BROKER_URL = "{0}://{1}:{2}@{3}/{4}".format(CELERY_BROKER_TRANSPORT,
 
 # Grades download
 GRADES_DOWNLOAD_ROUTING_KEY = HIGH_MEM_QUEUE
+
+##### Custom Courses for EdX #####
+if FEATURES.get('CUSTOM_COURSES_EDX'):
+    INSTALLED_APPS += ('ccx',)
+    MIDDLEWARE_CLASSES += ('ccx.overrides.CcxMiddleware',)
+    FIELD_OVERRIDE_PROVIDERS += (
+        'ccx.overrides.CustomCoursesForEdxOverrideProvider',
+    )
+
+##### Individual Due Date Extensions #####
+if FEATURES.get('INDIVIDUAL_DUE_DATES'):
+    FIELD_OVERRIDE_PROVIDERS += (
+        'courseware.student_field_overrides.IndividualStudentOverrideProvider',
+    )