Voting starts in March for the Drupal Association Board election.
When filling out number components that are not required, if left blank the number component throws notices when viewing the result:
Warning: number_format() expects parameter 1 to be double, string given in _webform_number_format() (line 704 of /Users/nate/Sites/drupal7/sites/all/modules/webform/components/number.inc).
This is because an empty string is not a number and should not be run through number_format().
Additionally, if a field is empty, we probably shouldn't be outputting the field prefix/suffix, because it doesn't make much sense to have a floating $ or kgs with no value next to it. This patch fixes these display problems with empty strings.