[geary: 2/2] Merge branch 'wip/validate-app-data' into 'master'

[Michael Gratton <mjog src gnome org>]

commit f5933b8b1fc43bbfa82c59efb6559489ada6dc9d
Merge: 4e62db41 b605ddc4
Author: Michael Gratton <mike vee net>
Date:   Sun Feb 24 11:39:42 2019 +0000

    Merge branch 'wip/validate-app-data' into 'master'
    
    Validate both appdata and desktop files
    
    See merge request GNOME/geary!139

 desktop/meson.build | 46 ++++++++++++++++++++++++++++++++++++++++------
 meson.build         |  4 +++-
 2 files changed, 43 insertions(+), 7 deletions(-)
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