[gtk] (18 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:

  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
  07674c5... MSVC projects: Also "install" the gtk3-demo symbolic icon
  5527433... MSVC projects: Also copy the build auxiliary files
  8d4d675... MSVC projects: Generate and install Emoji GResource data

Commits added to the branch:

  a61ed05... Visual Studio projects: Make it clear Python 3.x is now req (*)
  86270ec... MSVC projects: Make helper NMake Makefiles more robust (*)
  896a420... README.win32: Mention the possibility of using Python-2.7.x (*)
  1f5bfb4... Merge branch 'msvcproj-py3-req' into 'gtk-3-24' (*)
  8d4c270... Visual Studio projects: Speed up build (*)
  c8db9e1... Merge branch 'msvcproj-nmake-robust' into 'gtk-3-24' (*)
  3292e9d... MSVC Projects: Rename Makefile variable (*)
  b58ba13... win32/generate-msvc.mak: Split up rule to regenerate demos. (*)
  6f7e3cb... MSVC projects: Generate demo sources in IntDir (*)
  67a3208... build: Do not generate gtk3-demo-application MSVC project (*)
  3c3b7e1... build: Don't generate icon browser MSVC project (*)
  e7efafc... MSVC Projects: Generate widget factory GResource sources (*)
  b9a3d3e... MSVC Projects: Build widget factory demo (*)
  73ba8ce... Merge branch 'msvcproj-demos' into 'gtk-3-24' (*)
  f155563... MSVC projects: Also "install" the gtk3-demo symbolic icon
  1fbe11d... MSVC projects: Also copy the build auxiliary files
  1cdd784... MSVC projects: Generate and install Emoji GResource data
  8184f08... win32/generate-msvc.mak: Add rules for gtk30-properties.pot

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