Bug 161579 Add NonCategory X axis support
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/wizard/format/popup/axis/AxisGridLinesSheet.java
grpMajor = new Group( cmpContent, SWT.NONE );
		GridData gdGRPMajor = new GridData( GridData.FILL_HORIZONTAL );
		grpMajor.setLayoutData( gdGRPMajor );
		grpMajor.setText( Messages.getString( "BaseAxisAttributeSheetImpl.Lbl.MajorGrid" ) ); 
		grpMajor.setLayout( flMajor );
		gacMajor = new GridAttributesComposite( grpMajor,
				SWT.NONE,
				getContext( ),
				axis.getMajorGrid( ),
				axis.getOrientation( ).getValue( ) );