pam security, bug fix, and enhancement update

1.1.1-13 - fix environment file handling problems - CVE-2011-3148 746619 and CVE-2011-3148 746620 1.1.1-12 - add character sequence test to pamcracklib - drop unused difignore option from pamcracklib 811243 - add enforceforroot option to pamcracklib 588893 - mention limits.d in the limits.conf5...