Hyperbola

Implement OpenPAM as Linux-PAM replacement:
* pambase -> openpambase
* pam -> openpam
* lib32-pam -> lib32-openpam

Packages to rebuild:
* lib32-polkit
* at
* bftpd
* c-client
* cifs-utils
* cronie
* cups
* dante
* delegate
* dovecot
* ecryptfs-utils
* ejabberd
* elogind
* exim
* fcron
* gnome-keyring
* hylafax
* inetutils
* kbd
* kwallet-pam
* libpwquality
* lightdm
* mailutils
* nodm
* nss-pam-ldapd
* oath-toolkit
* openrc
* opensmtpd
* pam-krb5
* pam_ldap
* percona-server
* polkit
* postgresql
* postgresql-old-upgrade
* python2-pam
* schroot
* screen
* shadow
* slim
* squid
* sudo
* thinkfinger
* tigervnc
* util-linux
* uwsgi
* vsftpd
* weston
* wvstreams
* xlockmore
* xorg-xdm
* yaws
* yubico-pam
* openvpn
* snapper
* imap
* libcups
* libperconaserverclient
* libwbclient
* mod_proxy_uwsgi
* samba