Bug 117149 Add additional datapoint markers
I would like to propose adding additional datapoint markers. Attached is a set of markers I would like supported.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/model/attribute/impl/AttributePackageImpl.java
theXMLTypePackage.getDouble( ),
				"rotation", null, 1, 1, FontDefinition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_UNSETTABLE, !IS_ID, !IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEClass( formatSpecifierEClass,
				FormatSpecifier.class,
				"FormatSpecifier", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS ); 
		initEClass( fractionNumberFormatSpecifierEClass,
				FractionNumberFormatSpecifier.class,
				"FractionNumberFormatSpecifier", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS ); 
		initEAttribute( getFractionNumberFormatSpecifier_Precise( ),
				theXMLTypePackage.getBoolean( ),
				"precise", null, 1, 1, FractionNumberFormatSpecifier.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_UNSETTABLE, !IS_ID, !IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEAttribute( getFractionNumberFormatSpecifier_FractionDigits( ),
				theXMLTypePackage.getInt( ),
				"fractionDigits", null, 1, 1, FractionNumberFormatSpecifier.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_UNSETTABLE, !IS_ID, !IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEAttribute( getFractionNumberFormatSpecifier_Numerator( ),
				theXMLTypePackage.getDouble( ),
				"numerator", null, 1, 1, FractionNumberFormatSpecifier.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_UNSETTABLE, !IS_ID, !IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEAttribute( getFractionNumberFormatSpecifier_Prefix( ),
				theXMLTypePackage.getString( ),
				"prefix", null, 1, 1, FractionNumberFormatSpecifier.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, !IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEAttribute( getFractionNumberFormatSpecifier_Suffix( ),
				theXMLTypePackage.getString( ),
				"suffix", null, 1, 1, FractionNumberFormatSpecifier.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, !IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEAttribute( getFractionNumberFormatSpecifier_Delimiter( ),
				theXMLTypePackage.getString( ),
				"delimiter", "/", 1, 1, FractionNumberFormatSpecifier.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_UNSETTABLE, !IS_ID, !IS_UNIQUE, !IS_DERIVED, IS_ORDERED ); 
		initEClass( gradientEClass,
				Gradient.class,
				"Gradient", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS ); 
		initEReference( getGradient_StartColor( ),