code: public boolean isValue(String property, String value) {
  		return value != null && value.equals(value(property));
  	}
docs: A convenience method to check if the {@code property} is set to a specific value.
  
  @param property
  the property of interest
  @param value
  the property value to check
  @return {@code true} if the configuration value is set either in page or globally, and is
  equal to {@code value}.
  @see #get(String)
  @since 1.0