0029451: Information Message Alert to debug an algorithm or object functionality

0029451: Information Message Alert to debug an algorithm or object functionality

Modifications:
 - Message_AlertExtended to store additional parameters (attributes, composite alert container, performance meter)
 - Message_Attribute and inherited classes to store custom information about alert
 - Message_CompositeAlerts to have hierarchical structure of alerts
 - Message_PerfMeter to automatically calculate time between alerts adding into report
 - Message_ReportCall back to be able to react to message report filling.
 - Import/Export message report report. Currently it is implemented using XmlDrivers_MessageReportStorage
 - MessageView/MessageModel - Inspector plugin for GUI presentation of Message_Report

Sample of using alerts:
- BRepMesh_IncremetalMesh - till IMeshTools_ShapeExplorer::Accept() for model maps filling (debug of 0030497 issue)

DRAW case:
 - tools/messageview/A1

(cherry picked from commit 9dae9d43ba992a094fb387648bcd5503b487f698)
(cherry picked from commit 2e08eac5a39c627a87dbe3b23df51c8178a6ad5f)