Bug 120317 Set "dimension" property to 3D in "properties" view, error appears in layout editor.
Description: Set "dimension" property to 3D in "properties" view, error appears in layout editor. Steps to reproduce: 1. Add a 2D chart in property editor. 2. Set its dimension property to "three-dimension" in properties view. 3. Error appears in chart.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/extension/IPropertyDefinition.java
{
	/**
	 * Returns the resource key for display name of the property group. Property
	 * groups are used in the generic property sheet to organize properties. If
	 * the resource key is null, then no group is used.
	 * 
	 * @return the optional resource key for property group name
	 */
	String getGroupNameID( );
	/**
	 * Returns the internal name of the property. This is a non-localized,
	 * unique name used in the get/set property methods. It is required. BIRT
	 * encourages names that match the BIRT property syntax: propName, so that
	 * the properties are easy to use in scripts.
	 * 
	 * @return the internal property name
	 */