Add farm_comment to list of optional modules.

farm.profile

@@ -54,6 +54,7 @@ function farm_modules() {
       'farm_lab_test' => t('Lab test logs'),
       'farm_birth' => t('Birth logs'),
       'farm_medical' => t('Medical logs'),
+      'farm_comment' => t('Comments on assets/logs'),
       'farm_kml' => t('KML export features'),
       'farm_import_kml' => t('KML asset importer'),
       'farm_fieldkit' => t('Field Kit integration'),