master updated (d648e0c -> 569d7f6)

[Stefan Kangas]

skangas pushed a change to branch master.

      from  d648e0c   Add outline-minor-mode-use-buttons doc string caveat
       new  fd14111   New command image-transform-fit-to-window
       new  569d7f6   New user option image-auto-resize-max-scale-percent


Summary of changes:
 doc/emacs/files.texi |  4 +--
 etc/NEWS             | 22 ++++++++++++++
 lisp/image-mode.el   | 82 +++++++++++++++++++++++++++++++++++++++++-----------
 3 files changed, 89 insertions(+), 19 deletions(-)