[gimp-web] (10 commits) ...Add caption to the Behavior page screenshot

[Alexandre Prokoudine <aprokoudine src gnome org>]

Summary of changes:

  12c0133... Unbolded 'GNU Image Manip Prog' on intro para (*)
  e192503... Added downloads/index2.md and templates/download.html for L (*)
  52e764d... Revert "Added downloads/index2.md and templates/download.ht (*)
  2d9e62b... More content in the v2.9.2 news + accompanying screenshots (*)
  0bf8b53... Add a slug to the 2.9.2 news post (*)
  cd49ac7... Comment out questionable screenshots from 2.9.2 news post,  (*)
  6eb72b7... Slightly improve 2.9.2 news post at mitch's request (*)
  ae618dd... More changes to the 2.9.2 post, testing a video embed (*)
  94dc387... Fix video URL, try quick fix for video element positioning (*)
  658f0dd... Add caption to the Behavior page screenshot (*)

(*) This commit already existed in another branch; no separate mail sent