Merge pull request #308 from edx-solutions/derf/progress_detached_categories_setting

set PROGRESS_DETACHED_CATEGORIES for prod environments

lms/envs/aws.py

@@ -400,6 +400,9 @@ BROKER_URL = "{0}://{1}:{2}@{3}/{4}".format(CELERY_BROKER_TRANSPORT,
 # upload limits
 STUDENT_FILEUPLOAD_MAX_SIZE = ENV_TOKENS.get("STUDENT_FILEUPLOAD_MAX_SIZE", STUDENT_FILEUPLOAD_MAX_SIZE)
 
+# Modules having these categories would be excluded from progress calculations
+PROGRESS_DETACHED_CATEGORIES = ['discussion-course', 'group-project', 'discussion-forum']
+
 # Event tracking
 TRACKING_BACKENDS.update(AUTH_TOKENS.get("TRACKING_BACKENDS", {}))
 EVENT_TRACKING_BACKENDS.update(AUTH_TOKENS.get("EVENT_TRACKING_BACKENDS", {}))