master updated (d22cd6d -> 236457e)

[Stefan Kangas]

skangas pushed a change to branch master.

      from  d22cd6d   image-dired: Use an evenly spaced grid for thumbnails
       new  203279a   Add new function image-at-point-p
       new  ab11a3a   image-dired: Add new commands for beginning/end of buffer
       new  16bd8dc   image-dired: Don't ding at beginning or end of buffer
       new  236457e   image-dired: Improve mouse behaviour


Summary of changes:
 doc/lispref/display.texi |  5 ++++
 etc/NEWS                 |  5 ++++
 lisp/image-dired.el      | 67 ++++++++++++++++++++++++++++++++++++++++++------
 lisp/image.el            |  7 +++++
 4 files changed, 76 insertions(+), 8 deletions(-)