- Admins can now choose to be notified by email about debug, warning or error messages in the server process.

Improved faukt tolerance of the server.sh process when master DB becomes inavailable during script run multiserver setup.

- Added "actions" framework in server to replace the functions provided by the core modules
- Moved system update function from remoteactins core module to software update plugin.

and make changes to mysql users in the mysql plugin module.

Refs: 1722

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.

- checking for running instance in server.php

Fixed a bug that prevented the modification of website settings of a site that the user created.

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Added code to prevent the excution of server scripts when the connect to the master db server fails.

Added new table monitor_data for the core-module monitor.

- improved several functions in site module
- added server classes to restart services