master updated (d0b2eee278 -> 41a3155319)

[Stefan Kangas]

skangas pushed a change to branch master.

      from  d0b2eee278 Improve messages in image-crop.el
       new  fd70791218 Add new function xdg-current-desktop to xdg.el
       new  7d315ce630 ; * etc/NEWS: Improve wording of 'xdg-state-home' entry.
       new  d537e4c102 Fix desktop environment check on Ubuntu
       new  6f06353290 Support recent KDE Plasma in wallpaper.el
       new  ac479598f1 * lisp/image/wallpaper.el (wallpaper-commands): Add 
xwallpaper.
       new  bfafe4aacc Allow setting wallpaper from TTY
       new  41a3155319 Improve wallpaper.el docs for recent changes


Summary of changes:
 etc/NEWS                |  29 +++++++++---
 lisp/image/wallpaper.el | 118 ++++++++++++++++++++++++++++++++----------------
 lisp/xdg.el             |  12 +++++
 test/lisp/xdg-tests.el  |  10 ++++
 4 files changed, 125 insertions(+), 44 deletions(-)