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
}
	/**
	 * Writers the content node out to the file.
	 * 
	 * @param node
	 *            the content node to write out
	 */
	private void writeContentNode( ContentNode node )
	{
		String tagName = node.getName( );
		boolean isCdata = node.isCDATASection( );
		writer.startElement( tagName );
		 attributes
		s = node.getAttributes( );
		Iterator keys = attributes.keySet( ).iterator( );
		while ( keys.hasNext( ) )
		{
			String key = (String) keys.next( );
			String attr = (String) attributes.get( key );
			writer.attribute( key, attr );
		}
		 write the value or the children
		String value = node.getValue( );
		List children = node.getChildren( );
		assert StringUtil.isBlank( value ) || children.isEmpty( );
		if ( !StringUtil.isBlank( value ) )
		{
			if ( isCdata )
				writer.textCDATA( value );
			else