* 📝 little PHPDoc in BackupExec
* ♻️ Create a extendable implementation of iScheduledProcess
* create AbstractWeeklyScheduledProcess
* move schedule methods to the new abstract class
* create ProcessInvalidConfigException
* in cron.php skip abstract class
* cron.php : use exit(n°) instead of exit n°, and extract codes to constants
* CMDBSource : new MySQLHasGoneAwayException
* exits cron.php on MySQLHasGoneAwayException
* fix backgroundprocess PHPDoc
* new ProcessException and ProcessFatalException
* new cron.php catch blocks
SVN:trunk[5148]
