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/parser/AbstractPropertyState.java
propName,
							value,
							PropertyValueException.DESIGN_EXCEPTION_PROPERTY_CHANGE_FORBIDDEN );
					handler.getErrorHandler( ).semanticWarning( e );
					valid = false;
					return;
				}
			}
		}
		
		
		ElementPropertyDefn propDefn = element.getPropertyDefn( propName );
		if ( propDefn == null )
		{
			DesignParserException e = new DesignParserException(
					new String[]{propName},
					DesignParserException.DESIGN_EXCEPTION_UNDEFINED_PROPERTY );
			RecoverableError.dealUndefinedProperty( handler, e );
			valid = false;
			return;
		}
		doSetProperty( propDefn, value );
	}
	protected void doSetProperty( PropertyDefn propDefn, Object valueToSet )
	{
		
		try
		{
			assert valueToSet instanceof String || valueToSet == null;
			Object propValue = propDefn.validateXml( handler.getModule( ),