mate-about-me: handle additional pam errors

[pyhalov]

No description provided.

[pyhalov]

Full list of authtok_check messages:

The first %d characters of the password must contain at least N
           alphabetic character(s)
           numeric or special character(s)
           digit(s)
           uppercase alpha character(s)
           lowercase alpha character(s)
Whitespace characters are not allowed.
Too many consecutively repeating characters
The first %d characters of the old and new passwords must differ by at least %d positions.
dictionary database open failure
password is based on a dictionary word
password is based on a reversed dictionary word
Password in history list 

[lukefromdc]

Not sure how to test all this, but it builds, runs, and on an attempt to change the password to the same password will notify that the old and new passwords are the same

[lukefromdc]

Any updates on this?