code: function _formatCountable(number, singularStr, pluralStr) {
          return StringUtils.format(number > 1 ? pluralStr : singularStr, number);
      }
docs: Determine string based on count
  @param {number} number Count
  @param {string} singularStr Singular string
  @param {string} pluralStr Plural string
  @return {string} Proper string to use for count