Added lib/logger.php (copied from tftpserver.php, so that it can be reused for that).

Signed-off-by: Diederik de Groot <ddegroot@talon.nl>

config.ini

@@ -2,7 +2,11 @@
 debug = on 								; The output in the browser window for more information
 cache_filename = "/tmp/provision_sccp_resolver.cache"
 default_language = English_United_States
-;log = provision.log
+;log_type = SYSLOG|STDERR|STDOUT|NULL|FILE;
+;log_level = LOG_EMERG, LOG_ALERT, LOG_CRIT, LOG_ERR, LOG_WARNING, LOG_NOTICE, LOG_INFO, LOG_DEBUG
+;example log_type = FILE ; log_filename = provision.log
+log_type = STDOUT
+log_level = LOG_INFO
 
 [subdirs]
 tftproot = tftpboot