[gobject-introspection] Created tag 1.52.1

[Rico Tzschichholz <ricotz src gnome org>]

The signed tag '1.52.1' was created.

Tagger: Rico Tzschichholz <ricotz ubuntu com>
Date: Mon Apr 10 09:31:38 2017 +0200

    Tag release 1.52.1

Changes since the last tag '1.52.0':

Christoph Reiter (1):
      gimarshallingtests: Add a flags and enum property

Nirbheek Chauhan (1):
      giscanner: Use shlex.split() for environment variables

Philip Chimento (1):
      tests: Add marshalling tests for GValue-valued properties

Rico Tzschichholz (2):
      gir: Update annotations from GLib 2.52.1
      Release 1.52.1

Sebastian Geiger (1):
      g-ir-scanner: fix wrong order of -L options in libtool invocation