Bug 179674 Support time dimension in model
When define time dimension in model, the "itTime" property will be set. However this is not enough. We also need to know to what precision the time value should be evaluated, say, year, month, day, etc. Model needs to be enhanced to support such requirement.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
* @param memberName
	 *            the member name
	 */
	protected void propertyCDATA( IStructure structure, String memberName )
	{
		writeProperty( structure, null, memberName, true, false );
	}
	/**
	 * Writes one property entry of an structure without member name.
	 * 
	 * @param structure
	 *            the structure
	 * @param memberName
	 *            the member name
	 */
	protected void propertyWithoutName( IStructure structure, String memberName )
	{
		writeProperty( structure, null, memberName, false, true );
	}
	/**
	 * Writes the resource key.
	 * 
	 * @param obj
	 *            the design element
	 * @param resourceKey
	 *            the resource key value
	 * @param resourceValue
	 *            the user-visible resource value
	 */
	protected void resourceKey( DesignElement obj, String resourceKey,