[gcr] Created tag 3.17.4

[Stefan Walter <stefw src gnome org>]

The signed tag '3.17.4' was created.

Tagger: Stef Walter <stefw gnome org>
Date: Mon Aug 3 09:46:17 2015 +0200

    gcr 3.17.4:
    - Bump up the GTK+ deps
    - Build fixes
    - Updated translations

Changes since the last tag '3.16.0':

Alexandre Rostovtsev (1):
      build: Require gtk+ >= 3.12

Cédric Valmary (1):
      Updated Occitan translation

Jordi Mas (1):
      Update Catalan translation

Michael Catanzaro (1):
      Build a tar.xz, not a tar.gz

Pedro Albuquerque (1):
      Updated Portuguese translation

Stef Walter (2):
      gck: Update for p11-kit PKCS#11 URI specification changes
      Bump version