[geary: 8/8] Merge branch 'composer' into 'mainline'

[Michael Gratton <mjog src gnome org>]

commit fa38c6cf8ac9a1c93090441be614fc80349070ed
Merge: 65ff5bea d6d6f3df
Author: Michael Gratton <mike vee net>
Date:   Thu Jan 23 08:36:45 2020 +0000

    Merge branch 'composer' into 'mainline'
    
    composer: Adaptive toolbar
    
    See merge request GNOME/geary!396

 desktop/org.gnome.Geary.gschema.xml                |   6 +
 icons/font-color-symbolic.svg                      |  19 +
 icons/font-size-symbolic.svg                       |  19 +
 icons/meson.build                                  |   2 +
 .../application/application-configuration.vala     |   6 +
 .../application/application-main-window.vala       |   2 +-
 src/client/components/components-reflow-box.c      | 495 +++++++++++
 src/client/composer/composer-headerbar.vala        |   9 -
 src/client/composer/composer-web-view.vala         |  11 +-
 src/client/composer/composer-widget.vala           | 142 ++-
 src/client/composer/spell-check-popover.vala       |   3 +-
 src/client/meson.build                             |   1 +
 src/client/util/util-gtk.vala                      |   9 +
 test/client/composer/composer-web-view-test.vala   |  19 +-
 test/js/composer-page-state-test.vala              |   6 +-
 ui/composer-headerbar.ui                           |  84 +-
 ui/composer-link-popover.ui                        |   2 +-
 ui/composer-menus.ui                               |  58 --
 ui/composer-web-view.js                            |   9 +-
 ui/composer-widget.ui                              | 957 +++++++++++++--------
 20 files changed, 1292 insertions(+), 567 deletions(-)
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