1) Added DEVSYSTEM define in config.inc.php.master  defaults to 0
  If set to 1 classes can load as symbolc links, server.php now

2) server.php now resolves its require()ed files with an absolute
   path instead of relative.

http://lathama.net/Recursively_deleting_Microsoft_end_of_line_characters

All parts are disabled at the moment. Please help update
the language files.

http://bugtracker.ispconfig.org/index.php?do=details&task_id=1242&project=3&pagenum=2

- Added UFW firewall support.

config file which caused the restart of daemons to fail.

- replace double-quotes with single-quotes whenever appropriate
- fix indentation

Added the configuration variable $conf['demo_mode'] in the config.inc.php file. It disables the newly introduced demo mode which limits certain actions in the interface part of ispconfig: the demo mode can be used to run the ispconfig interface part as online demo.

Changed quota setting for courier installations in authmysqlrc.master as ispconfig sets the quota with maildirmake command, so we do not have to specify a sql quota field.

- Fix some comments.