adding the names' filed maxlength validation
adding phone number validation
adding user remote validation
adding password validation
adding birthdate validation

adding a method to validate birthdates in MM/DD/YYYY format
from 01/01/1990 to 12/30/2099
adding clear form button code
adding css style for validation errors

makes errors fade in in red color
adding remote validation code
Merge pull request #15 from alisedighi/master

Added new validations and files