removing unneeded file install_configs.php;

making $cronscriptDebug a setting in the database (no messing around in the files for debugging);
removed unnecessary unset() in cron_init.php;
setting of correct file-ownership of logfiles in apache and lighttpd crons;

actions/admin/settings/120.system.php

@@ -95,6 +95,14 @@ return array(
 					'type' => 'hidden',
 					'default' => 'www-data',
 					),
+				'system_debug_cron' => array(
+					'label' => $lng['serversettings']['cron']['debug'],
+					'settinggroup' => 'system',
+					'varname' => 'debug_cron',
+					'type' => 'bool',
+					'default' => false,
+					'save_method' => 'storeSettingField',
+					),					
 				),
 			),
 		),