[balsa] Properly commit release changes.

[Pawel Salek <pawels src gnome org>]

commit 4b84ce2bce5250081ed781d051e82e9c5f0e0da4
Author: Pawel Salek <pawsa0 gmail com>
Date:   Sun May 26 10:23:33 2019 +0100

    Properly commit release changes.

 ChangeLog    |  8 ++++++++
 NEWS         | 21 ++++++++++++++++++---
 configure.ac |  4 ++--
 3 files changed, 28 insertions(+), 5 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 9ed6362af..02c95d26f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2019-05-26  Pawel Salek  <pawsa0 gmail com>
+
+       * NEWS, configure.ac: correct typos; bump version base for git builds.
+
 2019-05-25  Peter Bloomfield  <pbloomfield bellsouth net>
 
        Use G_DECLARE_FINAL_TYPE to declare LibBalsaAddressBookRubrica
@@ -7,6 +11,10 @@
        * libbalsa/address-book-rubrica.c:
        * libbalsa/address-book-rubrica.h:
 
+2019-05-25  Pawel Salek  <pawsa0 gmail com>
+
+       * NEWS, configure.ac: Release balsa-2.5.7
+
 2019-05-22  Albrecht Dreß  <albrecht dress arcor de>
 
        Mitigate “Re: What's Up Johnny?” vulnerabilities
diff --git a/NEWS b/NEWS
index d415237b6..769165977 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,18 @@
+* Balsa-2.5.7 release. Release date 2019-05-25
+
+Changes with respect to 2.5.6 tag:
+
+- mitigate “Re: What's Up Johnny?” vulnerabilities
+- code cleanup and adaptations to changing libraries.
+  New minimal requirements are: GLib - 2.48, Gtk3 - 3.18
+- fix bugs in referencing images from HTML emails
+- encryption: key selection improvements
+- printing HTML parts
+- menu tree UI improvements
+- improved IMAP folder configuration
+- IMAP and POP code ported to use glib / gio
+- other bug fixes
+
 * Balsa-2.5.6 release. Release date 2018-06-01
 
 Changes wrt to 2.5.5 tag:
@@ -531,7 +546,7 @@ This is first release of GNOME2 port.
 
 - new icons (Ali Akcaagac).
 - handling MIME external-body types: receiving and sending.
-- forwarding messages as attachement (Albrecht Dre�).
+- forwarding messages as attachement (Albrecht Dreß).
 - handling format=flowed messages (Peter Bloomfield, rfc2646).
 - improved handling of collapsed threads (Toralf Lund, Carlos).
 - handling of distribution lists for LDIF address books (Toralf Lund).
@@ -589,9 +604,9 @@ This is first release of GNOME2 port.
 * Balsa-1.1.5 development release. Release date 2001-05-21
 
 - libESMTP used for message submission: AUTH and PIPELINE extension available.
-- active URLs in text messages. (Albrecht Dre�)
+- active URLs in text messages. (Albrecht Dreß)
 - pipe signature support. (Julian M Catchen)
-- printing rewritten: printing images etc. (Albrecht Dre�)
+- printing rewritten: printing images etc. (Albrecht Dreß)
 
 * Balsa-1.1.4 development release. Release date 2001-04-20
 
diff --git a/configure.ac b/configure.ac
index ccd4730ed..36e4aa3dd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8,9 +8,9 @@ dnl ###########################################################################
 dnl Boilerplace and versioning
 dnl ###########################################################################
 
-# if autoconf is used not in a git source tree, use version=2.5.6
+# if autoconf is used not in a git source tree, use version=2.5.1
 AC_INIT([balsa],
-        m4_esyscmd([test -d .git && echo -n `git describe --tags` || echo -n 2.5.6]),
+        m4_esyscmd([test -d .git && echo -n `git describe --tags` || echo -n 2.5.7]),
         [])
 
 AM_INIT_AUTOMAKE