[glibmm] NEWS for 2.53.1

[Murray Cumming <murrayc src gnome org>]

commit e0596af8f9313b3670a135c811c841d652c0c386
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Mar 30 22:00:20 2017 +0200

    NEWS for 2.53.1
    
    I forgot to update this before tagging the release.

 NEWS |   31 +++++++++++++++++++++++++++++++
 1 files changed, 31 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index cb86808..c886a1a 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,34 @@
+2.53.1
+
+Glib:
+* OptionGroup:
+  - Don't allow copy or move.
+  - Remove the OptionGroup& parameter in on_pre_parse(), on_post_parse() and
+    on_error().
+  (Kjell Ahlstedt)
+* IOChannel, StreamIOChannel: Remove deprecated parts.
+  (Kjell Ahlstedt)
+* ustring: Add make_valid().
+  (Krzysztof Piecuch) Bug #780075
+* Remove (unused) Sequence and sequence().
+  (Murray Cumming)
+* Remove ListHandle, SListHandle, ArrayHandle, SArrayHandle, and
+  StringArrayHandle, replacing them with std::vector in API.
+  (Murray Cumming)
+
+gmmproc:
+* _WRAP_METHOD(): Some more use of auto in generated code.
+  (Murray Cumming)
+
+Build:
+* Change the ABI to glibmm-2.54.
+  (Murray Cumming)
+* Add some #include directives.
+  (Kjell Ahlstedt)
+* Visual Studio: Require Visual Studio 2017 and update the glibmm project.
+  (Chu-wei Fan)
+
+
 2.51.5
 
 Gio: