[gtk+] Created tag 3.18.8

[Matthias Clasen <matthiasc src gnome org>]

The unsigned tag '3.18.8' was created.

Tagger: Matthias Clasen <mclasen redhat com>
Date: Wed Feb 24 06:32:30 2016 -0500

    3.18.8

Changes since the last tag '3.18.7':

Alexandre Franke (1):
      Updated French translation

Allin Cottrell (1):
      Fix Quartz Full Screen Crash.

Chun-wei Fan (1):
      Visual Studio builds: Drop gtk-query-settings project

Colomban Wendling (1):
      treeview: Make sure the editing widget's top left is always visible

Frederic Crozat (1):
      Revert "Translate GDK_KEY_KP_Decimal according to locale"

GNOME Translation Robot (1):
      Updated Scottish Gaelic translation

John Ralls (2):
      Fix Quartz clipboard image retrieval.
      Fix typo.

Marco Trevisan (Treviño) (1):
      X11, GdkScreen: properly implement init_randr15 including output name

Matthias Clasen (7):
      assistant: Add margin to action area
      box: Fix rtl allocation with center widget
      file chooser: Make Escape close the dialog
      file chooser: Use the right model when getting the selection
      file chooser: Avoid nonworking search+save combinations
      x11: Some cleanups to the multihead initialization
      3.18.8

Руслан Ижбулатов (1):
      Don't do remote checks on NULL files