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
{
			IConfigurationElement currentTag = configElements[i];
			if ( ELEMENT_TAG.equals( currentTag.getName( ) ) )
			{
				loader.loadElement( currentTag );
			}
		}
	}
	class PeerExtensionElementLoader extends ExtensionElementLoader
	{
		protected static final String PROPERTY_TAG = "property"; 
		protected static final String CHOICE_TAG = "choice"; 
		protected static final String PROPERTY_GROUP_TAG = "propertyGroup"; 
		protected static final String PROPERTY_VISIBILITY_TAG = "propertyVisibility"; 
		protected static final String STYLE_PROPERTY_TAG = "styleProperty"; 
		protected static final String METHOD_TAG = "method"; 
		protected static final String ARGUMENT_TAG = "argument"; 		
		protected static final String STYLE_TAG = "style"; 
		protected static final String ELEMENT_TYPE_TAG = "elementType"; 
		protected static final String OVERRIDE_PROPERTY_TAG = "overrideProperty";
		protected static final String JAVA_DOC_TAG = "javaDoc"; 
		protected static final String NAME_ATTRIB = "name"; 
		protected static final String PROPERTY_NAME_ATTRIB = "propertyName";
		protected static final String ALLOWEDCHOICES_ATTRIB = "allowedChoices";
		protected static final String USEOWNMODEL_ATTRIB = "useOwnModel";
		protected static final String DISPLAY_NAME_ID_ATTRIB = "displayNameID"; 
		protected static final String TYPE_ATTRIB = "type"; 
		protected static final String CAN_INHERIT_ATTRIB = "canInherit"; 
		protected static final String DEFAULT_VALUE_ATTRIB = "defaultValue"; 
		protected static final String VALUE_ATTRIB = "value";