pam_p11-0.2.0

• Add user documentation in Readme.md
• Add support for PIN pad readers
• Add support for changing/unblocking PIN (use with passwd)
• Add support for localized user feedback
• Add support for cards without certificates (e.g. OpenPGP card)
• Add support for PKCS#11 modules with multiple slots
• Add support for building with OpenSSL 1.1
• Merged opensc and openssh module into pam_p11.so
• Fixed memory leaks, coverity issues, compiler warnings
• Created test-passwd and test-login for testing standard use cases