Update a few screenshots and associated text. (The file open, save as,
and merge images date back to the Ethereal era!) The interface options
dialog no longer exists, so remove that screenshot and text.
Mark GTK+ and outdated images as such in CMakeLists.txt.
Change-Id: Ia01788434a1c96dd3f527c9d4ae34b1ca30f92d7
Reviewed-on: https://code.wireshark.org/review/35345
Reviewed-by: Gerald Combs <gerald@wireshark.org>
Petri-Dish: Gerald Combs <gerald@wireshark.org>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
Gerald Combs