Emailing Functionality Integration

- DocMailer.php script set up with sendMail() function; uses PEAR
Mail.php script
- Contact Us email form set up and emails successfully
- Forgot Password request form set up to execute the
requestPasswordReset
- Reset Password form set up to validate the request with the correct
tempKey and email value in the URL, validates the POST method upon
resetting the password, or errors out;
- deleted resetConfirm.php; unneeded
- updated Users.php: requestPasswordReset method to set a tempPassKey
and email to the passed in email address; confirmPasswordReset verifies
the email and tempPassKey passed in to the method to be a legitimate
request;  resetPassword method resets the password passed in and clears
the tempPassKey