branch master updated (04463bb -> 4650a77)

[Andy Wingo]

wingo pushed a change to branch master
in repository guix.

      from  04463bb   gnu: Add elogind service.
      adds  7b6c5c5   gnu: polkit: Use elogind for seat management.
      adds  3f130e4   gnu: polkit: Look for rules in 
/run/current-system/profile.
      adds  0071c78   gnu: Add polkit service.
       new  4650a77   doc: Document polkit and elogind services.

The 1 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.


Summary of changes:
 doc/guix.texi            |   82 ++++++++++++++++++++++++++++++++++++++++++++++
 gnu/packages/polkit.scm  |   79 +++++++++++++++++++++++++++++++++++++++-----
 gnu/services/desktop.scm |   51 ++++++++++++++++++++++++++---
 3 files changed, 198 insertions(+), 14 deletions(-)