error on defaultFormat

[redmagi]

i used defaultFormat option with Numeral-js lastest version.
you can found error "unformat" beacuse Numeral-js remove it in version 2
2.0.0

[vipinmangalkar]

Change Line no. 5938
from numeral().unformat(text); to return numeral(text).value();

Change Line no. 8422
from numeral().unformat($value); to numeral($value).value();

Change Line no. 8843
from var rawValue = numeral().unformat(elValue); to var rawValue = numeral(elValue).value();

Change Line no. 9813
from rawValue = numeral().unformat(newVal); to rawValue = numeral(newVal).value();