branch wip-pam-elogind created (now c33372a)

[Andy Wingo]

wingo pushed a change to branch wip-pam-elogind
in repository guix.

        at  c33372a   gnu: Allow OS configurations to add PAM session modules

This branch includes the following new commits:

       new  7b6c5c5   gnu: polkit: Use elogind for seat management.
       new  3f130e4   gnu: polkit: Look for rules in 
/run/current-system/profile.
       new  0071c78   gnu: Add polkit service.
       new  e31c079   doc: Document polkit and elogind services.
       new  5704432   guix: git: Support shallow git clones if a tag is 
available
       new  c33372a   gnu: Allow OS configurations to add PAM session modules

The 6 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.