/**
 @page platform_monitor Platform Monitor module

 @section Overview
Platform Monitor module provides capabilities to catch event from target platform, such as alarm, mobile network.<br>
The capabilities are executed directly through Plugins under Plugin "PlatformMonitor"<br>
without any involvement of Framework.<br>

 @image html overview_platform_monitor.png "Software architecture of Platform Monitor module"

The mechanism for event catch from platform requires device module init and callback registration,<br>
and the device module init which is implemented in Plulgin, is automatically done by Framework Init operation internal<br>
by reading Framework configuration XML in which PlatformMonitor Plugin is specified.<br>

Some kinds of device module may have module data related to the system event,<br>
and in this case user can access(get/set) the data through APIs provided.<br>

Platform Monitor module has following sub implementations with each corresponding roles.<br>
	- <b>Platform Inerface</b><br>
	Provides API, realted to device module which occurs system event.<br>
	User can register system event callback, get/set device module data.<br>
*/