Bug 183733 Implement the IScriptOjectClassInfo to provide the class infromation to support the JS code assistant.
Engine should implement the IScriptObjectClassInfo interface to return the class information for script object.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
IReportRunnable runnable = context.getRunnable( );
			if ( runnable != null )
			{
				ModuleHandle module = (ModuleHandle) runnable.getDesignHandle( );
				ArrayList urls = new ArrayList( );
				Iterator iter = module.scriptLibsIterator( );
				while ( iter.hasNext( ) )
				{
					ScriptLibHandle lib = (ScriptLibHandle) iter.next( );
					String libPath = lib.getName( );
					URL url = module.findResource( libPath,
							IResourceLocator.LIBRARY );
					if ( url != null )
					{
						urls.add( url );
					}
				}
				if ( urls.size( ) != 0 )
				{
					URL[] jarUrls = (URL[]) urls.toArray( new URL[]{} );
					return new URLClassLoader( jarUrls, parent );
				}
			}
			return parent;
		}
	}
	/**
	 * Set the cancel flag.
	 */
	public void cancel( )