MDL-55980 Scheduled tasks: Run individual scheduled tasks from web

admin/tool/task/lang/en/tool_task.php

@@ -23,6 +23,7 @@
  */
 
 $string['asap'] = 'ASAP';
+$string['backtoscheduledtasks'] = 'Back to scheduled tasks';
 $string['blocking'] = 'Blocking';
 $string['component'] = 'Component';
 $string['corecomponent'] = 'Core';
@@ -30,6 +31,8 @@ $string['default'] = 'Default';
 $string['disabled'] = 'Disabled';
 $string['disabled_help'] = 'Disabled scheduled tasks are not executed from cron, however they can still be executed manually via the CLI tool.';
 $string['edittaskschedule'] = 'Edit task schedule: {$a}';
+$string['enablerunnow'] = 'Allow ‘Run now’ for scheduled tasks';
+$string['enablerunnow_desc'] = 'Allows administrators to run a single scheduled task immediately, rather than waiting for it to run as scheduled. The task runs on the web server, so some sites may wish to disable this feature to avoid potential performance issues.';
 $string['faildelay'] = 'Fail delay';
 $string['lastruntime'] = 'Last run';
 $string['nextruntime'] = 'Next run';
@@ -37,6 +40,8 @@ $string['plugindisabled'] = 'Plugin disabled';
 $string['pluginname'] = 'Scheduled task configuration';
 $string['resettasktodefaults'] = 'Reset task schedule to defaults';
 $string['resettasktodefaults_help'] = 'This will discard any local changes and revert the schedule for this task back to its original settings.';
+$string['runnow'] = 'Run now';
+$string['runnow_confirm'] = 'Are you sure you want to run this task ‘{$a}’ now? The task will run on the web server and may take some time to complete.';
 $string['scheduledtasks'] = 'Scheduled tasks';
 $string['scheduledtaskchangesdisabled'] = 'Modifications to the list of scheduled tasks have been prevented in Moodle configuration';
 $string['taskdisabled'] = 'Task disabled';