Merge pull request #218 from donny-wong/v2.5.2

v2.5.2

Configuration.md

@@ -270,10 +270,11 @@ This feature informs you of all uncaught exceptions that occur in the MarkUs bac
 
 >**Note**: LTI routes are not enabled in production by default. To enable them, you must edit `routes.rb` file.
 
-If you wish to use Learning Tools Interoperability (LTI) with Markus, you'll need to configure the LTI settings as follows
+If you wish to use Learning Tools Interoperability (LTI) with MarkUs, you'll need to configure the LTI settings as follows
 
 - `lti.domains` must be a whitelist of all hosts you expect to receive LTI launches from.
 - `lti.token_endpoint` must be the url used to generate an LTI credentials token for the external platform.
+- `lti.sync_schedule` must be a cron schedule dictating when MarkUs should attempt to automatically sync its roster via LTI.
 
 You must also create a private key for generating Javascript Web Tokens to sign LTI requests.
 A private key can be automatically created with the `markus:lti_key` rake task.

Learning-Tools-Interoperability.md

@@ -37,6 +37,14 @@ and also choose to delete an association between the LMS and MarkUs.
 > If an association is reestablished, any assignment's LTI settings must be re-created,
 > and will create *new* LMS gradebook items.
 
+### Roster Synchronization
+
+When triggering a roster synchronization, you can choose which types of users are synchronized.
+Additionally, if 'Enable automatic syncing' is checked, MarkUs will attempt to synchronize the roster automatically
+on a schedule determined by your system administrator.
+
+![LTI Synchronization Options](images/lti-roster-sync.png)
+
 ### Canvas
 
 Once installed in your course, a 'Launch Markus' page will appear in your