[RHEL/6] accounts_password_pam_cracklib_minclass XCCDF rule:
* rename remediation fix to proper name,
* update its implementation not to use the hardcoded value of '3',
  but rather actual evaluated value of var_password_pam_cracklib_minclass variable.
[*/utils/verify-input-sanity.py] Enhance 7031613 change --
together with reporting in which file the error happened,
report also what kind of error is it & particular line
number of the corresponding file causing it
copy-editing for prose publication