[gobject-introspection] Created tag 1.53.1

[Rico Tzschichholz <ricotz src gnome org>]

The signed tag '1.53.1' was created.

Tagger: Rico Tzschichholz <ricotz ubuntu com>
Date: Tue Apr 25 15:58:47 2017 +0200

    Tag release 1.53.1

Changes since the last tag '1.52.1':

Chun-wei Fan (1):
      Visual Studio 201x builds: Fix "installation"

Rico Tzschichholz (4):
      Bump version to 1.53.0
      gir: Update annotations from GLib git master
      gir: Update annotations from GLib 2.53.1
      Release 1.53.1

Sam Spilsbury (1):
      regress: Add test for setting a NULL strv in a GValue

Sam Thursfield (1):
      Fix 'Bad file descriptor' error when checking libtool version