Bug 182062 Define and provide Date/Time format value
DateTime type has been supported in BIRT. Now, there's a proposal on support Date/Time type in BIRT Report Designer. In order to enable end user setting the format of Date/Time type, please define and provide format value for both Date and Time.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/elements/DesignChoiceConstants.java
* scalarParamAlign -- The choice for the scalarParamter alignment. The
	 * first constant is the name of scalarParamAlign choice. The followed
	 * constants are valid choice values of scalarParamAlign.
	 */
	public static final String CHOICE_SCALAR_PARAM_ALIGN = "scalarParamAlign"; 
	public static final String SCALAR_PARAM_ALIGN_AUTO = "auto"; 
	public static final String SCALAR_PARAM_ALIGN_LEFT = "left"; 
	public static final String SCALAR_PARAM_ALIGN_CENTER = "center"; 
	public static final String SCALAR_PARAM_ALIGN_RIGHT = "right"; 
	/*
	 * columnDataType -- The column data type The first constant is the name of
	 * columnDataType choice. The followed constants are valid choice values of
	 * columnDataType.
	 */
	public static final String CHOICE_COLUMN_DATA_TYPE = "columnDataType"; 
	public static final String COLUMN_DATA_TYPE_ANY = "any"; 
	public static final String COLUMN_DATA_TYPE_INTEGER = "integer"; 
	public static final String COLUMN_DATA_TYPE_STRING = "string"; 
	public static final String COLUMN_DATA_TYPE_DATETIME = "date-time"; 
	public static final String COLUMN_DATA_TYPE_DECIMAL = "decimal"; 
	public static final String COLUMN_DATA_TYPE_FLOAT = "float"; 
	public static final String COLUMN_DATA_TYPE_BOOLEAN = "boolean"; 
	public static final String COLUMN_DATA_TYPE_DATE = "date";
	public static final String COLUMN_DATA_TYPE_TIME = "time";
	/**
	 * searchType -- The search type for column hint The first constant is the
	 * name of searchType choice. The followed constants are valid choice values
	 * of searchType.
	 */
	public static final String CHOICE_SEARCH_TYPE = "searchType";