fix broken Help docs in Workflow Activity for Trash Expired Events. Stubbed out the Event asset docs so they stop failing tests as well

lib/WebGUI/i18n/English/Workflow_Activity_TrashExpiredEvents.pm

@@ -14,6 +14,20 @@ our $I18N = {
 		lastUpdated => 0,
 	},
 
+	'trash after' => {
+		message => q|Trash After|,
+		lastUpdated => 1165731581,
+		context=> q|a label for the workflow activity property that sets how long old events stick around|
+	},
+
+	'trash after help' => {
+		message => q|How long should old events stay in the calendar before being trashed?|,
+		lastUpdated => 1165731583,
+		context=> q|hover help for the trash after field|
+	},
+
+
+
 };
 
 1;