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/ElementDefn.java
|| MetaDataDictionary.getInstance( ).getExtension( name ) != null )
			return true;
		return false;
	}
	/**
	 * Gets the name config of this element.
	 * 
	 * @return
	 */
	public NameConfig getNameConfig( )
	{
		return this.nameConfig;
	}
	/**
	 * Configuration information for the name management of the element.
	 */
	public class NameConfig
	{
		/**
		 * Indicates the name space in which instances of this element reside.
		 */
		protected int nameSpaceID = MetaDataConstants.NO_NAME_SPACE;
		/**
		 * Definition of the element where the name resides.
		 */
		protected IElementDefn holder = null;
		/**
		 * Name of the element where the name resides. By default, all the name
		 * resides in module.
		 */