[gtk] (13 commits) Non-fast-forward update to branch more-vs-proj-updates

[Chun-wei Fan <fanchunwei src gnome org>]

The branch 'more-vs-proj-updates' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  24f4873... Visual Studio projects: Make it clear Python 3.x is now req
  397f8e1... MSVC projects: Make helper NMake Makefiles more robust
  db93e93... MSVC Projects: Rename Makefile variable
  e97a6b9... win32/generate-msvc.mak: Split up rule to regenerate demos.
  079dbee... MSVC projects: Generate demo sources in IntDir
  9b759be... build: Do not generate gtk3-demo-application MSVC project
  68a6f34... build: Don't generate icon browser MSVC project
  0d72e14... MSVC Projects: Generate widget factory GResource sources
  ca774b9... MSVC Projects: Build widget factory demo

Commits added to the branch:

  da40667... wayland/cursor: Sanity check cursor image size (*)
  75d3095... Merge branch 'wayland-cursor-size' into 'gtk-3-24' (*)
  16ded68... macos: Fix to offscreen window selections in Gimp 2.99 (*)
  2152e76... Merge branch 'gtk-3-24-fix-gimp' into 'gtk-3-24' (*)
  0953937... Visual Studio projects: Make it clear Python 3.x is now req
  8343845... MSVC projects: Make helper NMake Makefiles more robust
  667928c... MSVC Projects: Rename Makefile variable
  b5ac11f... win32/generate-msvc.mak: Split up rule to regenerate demos.
  1173be1... MSVC projects: Generate demo sources in IntDir
  d596d1e... build: Do not generate gtk3-demo-application MSVC project
  a46f99f... build: Don't generate icon browser MSVC project
  b07ccec... MSVC Projects: Generate widget factory GResource sources
  454c779... MSVC Projects: Build widget factory demo

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