Bug 210496 Add hasStyle property in reportItemModel extension point
When chart gets reportItem's properties by extending ReportItem, style properties are null. Hence, model needs to add hasStyle property in reportItemModel extension point
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/metadata/PeerExtensionLoader.java
try
			{
				defn.build( );
			}
			catch ( MetaDataException e )
			{
				handleError( new MetaDataParserException(
						e,
						MetaDataParserException.DESIGN_EXCEPTION_EXTENSION_ERROR )
						.getMessage( ) );
			}
		}
	}
	/**
	 * Load one extension.
	 * 
	 * @param extension
	 *            one extension which extends the model extension point.
	 * @throws ExtensionException
	 *             if error is found when loading extension
	 * @throws MetaDataException
	 *             if error encountered when adding the element to metadata
	 *             dictionary.
	 */
	protected void loadExtension( IExtension extension )
	{
		IConfigurationElement[] configElements = extension
				.getConfigurationElements( );
		PeerExtensionElementLoader loader = new PeerExtensionElementLoader( );
		for ( int i = 0; i < configElements.length; i++ )