[meld: 8/8] Merge branch 'meld-3-19-win32-installer' into 'master'

[Kai Willadsen <kaiw src gnome org>]

commit 15817e71fde722bed7e35ce51e524800efa10fca
Merge: e7daaae2 a7695aa3
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Fri Jul 6 23:11:09 2018 +0000

    Merge branch 'meld-3-19-win32-installer' into 'master'
    
    Meld 3.19 win32 installer compatible with mingw building.
    
    See merge request GNOME/meld!17

 appveyor.yml   |  22 ++++-----
 bin/meld       |   8 +++-
 meld/conf.py   |   6 ---
 setup_win32.py | 138 ++++++++++++++++++++++++++++++---------------------------
 4 files changed, 91 insertions(+), 83 deletions(-)
---