Bug 131835 Clean up FO related code
Now that FO is not part of BIRT, clean up all references to FO, including the FORenderOption, TailoredForFOP, etc.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/EngineTask.java
{
			if ( paramValue instanceof Date )
				return true;
			log
					.log(
							Level.SEVERE,
							"The supplied value {0} for parameter {1} is not a valid date.", new String[]{paramValue.toString( ), paramName} ); 
			return false;
		}
		else if ( DesignChoiceConstants.PARAM_TYPE_STRING.equals( type ) )
		{
			String value = paramValue.toString( ).trim( );
			if ( value.equals( "" ) && !paramHandle.allowBlank( ) ) 
			{
				log.log( Level.SEVERE,
						"parameter {0} can't be blank.", paramName ); 
				return false;
			}
			return true;
		}
		else if ( DesignChoiceConstants.PARAM_TYPE_BOOLEAN.equals( type ) )
		{
			if ( paramValue instanceof Boolean )
				return true;
			log
					.log(
							Level.SEVERE,
							"The supplied value {0} for parameter {1} is not a boolean.", new String[]{paramValue.toString( ), paramName} ); 
			return false;
		}