[geary: 3/3] Merge branch 'titlebar' into 'mainline'

[Michael Gratton <mjog src gnome org>]

commit a88134f5e5f04dcc181a536f178ba9e96c00c1e7
Merge: bc4f208d 0f907c57
Author: Michael Gratton <mike vee net>
Date:   Mon Jan 20 21:20:19 2020 +0000

    Merge branch 'titlebar' into 'mainline'
    
    Use HdyTitleBar and drop custom titlebar styles
    
    See merge request GNOME/geary!397

 src/client/application/application-main-window.vala |  5 ++++-
 src/client/components/main-toolbar.vala             |  4 ----
 ui/geary.css                                        |  9 ---------
 ui/main-toolbar.ui                                  | 12 +++---------
 4 files changed, 7 insertions(+), 23 deletions(-)
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