Vendor import of OpenPAM Calamite

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diff --git a/contrib/openpam/README b/contrib/openpam/README
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+OpenPAM is an open source PAM library that focuses on simplicity,
+correctness, and cleanliness.
+
+OpenPAM aims to gather the best features of Solaris PAM, XSSO and
+Linux-PAM, plus some innovations of its own.  In areas where these
+implementations disagree, OpenPAM tries to remain compatible with
+Solaris, at the expense of XSSO conformance and Linux-PAM
+compatibility.
+
+These are some of OpenPAM's features:	 
+
+   - Implements the complete PAM API as described in the original PAM
+     paper and in OSF-RFC 86.0; this corresponds to the full XSSO API
+     except for mappings and secondary authentication.
+
+   - Extends the API with several useful and time-saving functions:
+     pam_error(), pam_get_authtok(), pam_info(), pam_prompt(),
+     pam_setenv(), pam_verror(), pam_vinfo(), pam_vprompt()
+
+   - Offers a number of time-saving convenience functions:
+     openpam_log(), openpam_ttyconv().
+
+   - Performs strict checking of return values from service modules.
+
+   - Reads configuration from /etc/pam.d/, /usr/local/etc/pam.d/ and
+     /etc/pam.conf, in that order; this will be made configurable in a
+     future release.Please direct bug reports and inquiries to
+     openpam@thinksec.com.
+
+$Id$