Modified structure for login screen message on maintenance mode and added a default value for it.
Included missing system_maintenance table creation on DBUpdate script.
Included possibility to show a diferent error message on failed login due system maintenance
Switched Output/HTML/DashboardCalendar.pm to OM.
Switched Output/HTML/DashboardCustomerCompanyInformation.pm to OM.
Switched Output/HTML/DashboardCustomerIDStatus.pm to OM.
Switched Output/HTML/DashboardCustomerUserList.pm to OM.
Switched Output/HTML/DashboardEventsTicketCalendar.pm to OM.
Switched Output/HTML/DashboardIFrame.pm to OM.
Switched Output/HTML/DashboardImage.pm to OM.
Switched Output/HTML/DashboardMOTD.pm to OM.
Switched Output/HTML/DashboardProductNotify.pm to OM.
Switched Output/HTML/DashboardRSS.pm to OM.
Switched Output/HTML/DashboardStats.pm to OM.
Switched Output/HTML/DashboardTicketQueueOverview.pm to OM.
Switched Output/HTML/DashboardTicketStatsGeneric.pm to OM.
Switched Output/HTML/DashboardUserOnline.pm to OM.
Switched Output/HTML/DashboardUserOutOfOffice.pm to OM.
Fixed: CustomerUser secondary database access opens multitude of database connections (bug#10497).