[balsa: 11/11] Merge branch 'threading' into 'master'

[Peter Bloomfield <peterb src gnome org>]

commit 6ee9cf9297370f2ef7638da99c89c70f397241e0
Merge: 1b06e7faa 50d210066
Author: Peter Bloomfield <peterbloomfield bellsouth net>
Date:   Wed Oct 17 18:10:19 2018 +0000

    Merge branch 'threading' into 'master'
    
    Threading
    
    See merge request GNOME/balsa!4

 ChangeLog                |  81 +++++++++++++++++++++++++--
 libbalsa/mailbox.c       |  46 ++++++++++-----
 libbalsa/mailbox.h       |   9 ++-
 libbalsa/mailbox_local.c | 143 +++++++++++++----------------------------------
 src/balsa-index.c        |  25 +++++++--
 src/balsa-index.h        |   3 +-
 src/mailbox-conf.c       |  60 +++++++++++++++++++-
 src/main-window.c        |  76 ++++++++-----------------
 src/main-window.h        |   1 +
 src/main.c               |   5 +-
 src/pref-manager.c       |  50 ++++++++++-------
 ui/main-window.ui        |  15 +----
 12 files changed, 292 insertions(+), 222 deletions(-)
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