[geary: 13/13] Merge branch 'wip/362-utf8-attachments' into 'mainline'

[Michael Gratton <mjog src gnome org>]

commit cfd1a6183048826f6bfed94ba4575859e5112031
Merge: f6088973 58afbc0b
Author: Michael Gratton <mike vee net>
Date:   Fri Jul 19 11:21:54 2019 +0000

    Merge branch 'wip/362-utf8-attachments' into 'mainline'
    
    Fix plain text Base64 attachments being broken on save
    
    See merge request GNOME/geary!266

 src/client/application/application-contact.vala    |   2 +-
 src/client/composer/composer-widget.vala           |   4 +-
 .../conversation-viewer/conversation-message.vala  |   7 +-
 src/engine/api/geary-composed-email.vala           |   7 +-
 src/engine/imap-db/imap-db-attachment.vala         |   4 +-
 .../imap-engine/imap-engine-generic-account.vala   |   7 +-
 src/engine/memory/memory-buffer.vala               |  18 +-
 .../memory/memory-unowned-string-buffer.vala       |   9 -
 src/engine/rfc822/rfc822-message-data.vala         |  16 +-
 src/engine/rfc822/rfc822-message.vala              | 186 +++++++++++++++------
 src/engine/rfc822/rfc822-part.vala                 |  86 ++++++----
 src/engine/rfc822/rfc822-utils.vala                |  77 ++++-----
 src/engine/rfc822/rfc822.vala                      |  21 ++-
 src/mailer/main.vala                               |   4 +-
 test/engine/rfc822-part-test.vala                  |  31 ++--
 test/integration/smtp/client-session.vala          |  15 +-
 test/test-engine.vala                              |   1 +
 17 files changed, 304 insertions(+), 191 deletions(-)
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