Bug 181569 Inconsistent constant values for SortType defintion
In rom.def, the allowed values for SortType is "sort-on-group-key" and "complex-sort", but in DesignChoiceConstants, it's "sortOnGroupkey" and "complexSort". These values should be consistent.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/elements/DesignChoiceConstants.java
* Level type constants.
	 */
	String CHOICE_LEVEL_TYPE = "levelType"; 
	String LEVEL_TYPE_DYNAMIC = "dynamic"; 
	String LEVEL_TYPE_MIRRORED = "mirrored"; 
	
	/**
	 * measure Function -- measure function type.
	 */
	
	public static final String CHOICE_ACCESS_PERMISSION = "accessPermission"; 
	public static final String ACCESS_PERMISSION_ALLOW = "allow"; 
	public static final String ACCESS_PERMISSION_DISALLOW = "disallow"; 
		
	/**
	 * Parameter sort values -- can be value or display text.
	 */
	
	public static final String CHOICE_PARAM_SORT_VALUES = "paramSortValues"; 
	public static final String PARAM_SORT_VALUES_VALUE = "value"; 
	public static final String PARAM_SORT_VALUES_LABEL = "label"; 
	
	/**
	 * Report layout preference -- layout type for report design.
	 */
	public static final String CHOICE_REPORT_LAYOUT_PREFERENCE = "reportLayoutPreference"; 
	public static final String REPORT_LAYOUT_PREFERENCE_FIXED_LAYOUT = "fixed layout"; 
	public static final String REPORT_LAYOUT_PREFERENCE_AUTO_LAYOUT = "auto layout"; 
};