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/elements/interfaces/IStyleModel.java
public static final String BACKGROUND_IMAGE_PROP = "backgroundImage"; 
	public static final String BACKGROUND_POSITION_X_PROP = "backgroundPositionX"; 
	public static final String BACKGROUND_POSITION_Y_PROP = "backgroundPositionY"; 
	public static final String BACKGROUND_REPEAT_PROP = "backgroundRepeat"; 
	public static final String BORDER_BOTTOM_COLOR_PROP = "borderBottomColor"; 
	public static final String BORDER_BOTTOM_STYLE_PROP = "borderBottomStyle"; 
	public static final String BORDER_BOTTOM_WIDTH_PROP = "borderBottomWidth"; 
	public static final String BORDER_LEFT_COLOR_PROP = "borderLeftColor"; 
	public static final String BORDER_LEFT_STYLE_PROP = "borderLeftStyle"; 
	public static final String BORDER_LEFT_WIDTH_PROP = "borderLeftWidth"; 
	public static final String BORDER_RIGHT_COLOR_PROP = "borderRightColor"; 
	public static final String BORDER_RIGHT_STYLE_PROP = "borderRightStyle"; 
	public static final String BORDER_RIGHT_WIDTH_PROP = "borderRightWidth"; 
	public static final String BORDER_TOP_COLOR_PROP = "borderTopColor"; 
	public static final String BORDER_TOP_STYLE_PROP = "borderTopStyle"; 
	public static final String BORDER_TOP_WIDTH_PROP = "borderTopWidth"; 
	public static final String MARGIN_BOTTOM_PROP = "marginBottom"; 
	public static final String MARGIN_LEFT_PROP = "marginLeft"; 
	public static final String MARGIN_RIGHT_PROP = "marginRight"; 
	public static final String MARGIN_TOP_PROP = "marginTop"; 
	public static final String PADDING_TOP_PROP = "paddingTop"; 
	public static final String PADDING_LEFT_PROP = "paddingLeft"; 
	public static final String PADDING_BOTTOM_PROP = "paddingBottom"; 
	public static final String PADDING_RIGHT_PROP = "paddingRight"; 
	public static final String CAN_SHRINK_PROP = "canShrink"; 
	public static final String COLOR_PROP = "color"; 
	public static final String DATE_TIME_FORMAT_PROP = "dateTimeFormat"; 
	public static final String FONT_FAMILY_PROP = "fontFamily"; 
	public static final String FONT_SIZE_PROP = "fontSize"; 
	public static final String FONT_STYLE_PROP = "fontStyle";