MDL-54980 mod_assign: Add WS list_participants to the Mobile service

mod/assign/db/services.php

@@ -198,7 +198,8 @@ $functions = array(
                 'description'   => 'List the participants for a single assignment, with some summary info about their submissions.',
                 'type'          => 'read',
                 'ajax'          => true,
-                'capabilities'  => 'mod/assign:view, mod/assign:viewgrades'
+                'capabilities'  => 'mod/assign:view, mod/assign:viewgrades',
+                'services'      => array(MOODLE_OFFICIAL_MOBILE_SERVICE)
         ),
 
         'mod_assign_submit_grading_form' => array(

mod/assign/version.php

@@ -25,6 +25,6 @@
 defined('MOODLE_INTERNAL') || die();
 
 $plugin->component = 'mod_assign'; // Full name of the plugin (used for diagnostics).
-$plugin->version  = 2016052300;    // The current module version (Date: YYYYMMDDXX).
+$plugin->version  = 2016052301;    // The current module version (Date: YYYYMMDDXX).
 $plugin->requires = 2016051900;    // Requires this Moodle version.
 $plugin->cron     = 60;