[gtk+] Created tag 3.18.6

[Matthias Clasen <matthiasc src gnome org>]

The unsigned tag '3.18.6' was created.

Tagger: Matthias Clasen <mclasen redhat com>
Date: Fri Dec 4 21:12:43 2015 -0500

    3.18.6

Changes since the last tag '3.18.5':

Benjamin Otte (1):
      cssstyle: Don't crash if properties are added at runtime

Carlos Garnacho (13):
      x11: Do not misdetect mice with abs axes as touchscreens
      x11: Add "pointer" to the is-not-a-touchscreen device name checks
      wayland: Move additional pointer buttons after the old 4-7 scrolling ones
      searchenginetracker: ensure nie:url is bound
      searchenginetracker: Optimize direct/recursive folder lookups
      searchenginetracker: Remove astray ");" closing a function
      wayland: Plug surface leak
      device: Fix dispose
      wayland: Do not store the grab cursor separately
      GtkWindow: Reset gestures after triggering right click titlebar action
      wayland: Refactor selection ownership
      wayland: Store requested target on GdkWaylandSelection
      wayland: Invert drop_finished/button release call order

Christian Hergert (2):
      entry: ensure valid GdkWindow before set_invisible_cursor()
      filechooserbutton: add some spacing between icon and text

Emmanuele Bassi (7):
      Fix the licensing blurb in GtkPlacesSidebar
      Fix the licensing blurb of GtkBookmarksManager
      Fix license version for GtkFileChooserWidget private header
      Fix the license version in GtkTrashMonitor
      Do not use the LGPL v3 blurb for LGPL v2.1 files
      Do not use the GPL v3 blurb for LGPL v2.1 files
      scalebutton: Annotate the return type

Jonas Ådahl (1):
      wayland: Set a null cursor surface when cursor buffer is null

Matthias Clasen (10):
      x11: Try harder to find a core pointer
      wayland: Avoid a crash
      popover: Avoid a crash when no relative-to widget is set
      Document GDK_TOUCHPAD_GESTURE_MASK
      Fix license header
      Work around g_test_dbus annoyance
      Tweak the gtk-font-name setting docs
      places view: Fix up docs
      testentryicons: Use an existing icon name
      3.18.6

Phillip Wood (1):
      Fix character entities

Piotr Drąg (1):
      Updated Polish translation

Rui Matos (1):
      wayland: Translate virtual modifiers too

Sébastien Wilmet (1):
      textiter: fix bug in case insensitive backward search

Timm Bäder (6):
      GtkScaleButton: _get_(plus|minus)_button returns a GtkButton
      icon-browser: baseline-align the icon size labels
      icon-browser: Use proper "times" character
      icon-browser: Stop using GtkMisc properties
      GtkWidget: Add some missing nullable annotations
      Add some more missing nullable annotations

Руслан Ижбулатов (5):
      GDK W32: Refactor restacking functions a bit
      GDK W32: Only restack windows with matching always-on-top status
      GDK W32: Don't use SetWindowLong() to set/unset WS_EX_TOPMOST
      GDK W32: Clarify the use of the second argument to SetWindowPos()
      GDK W32: Add a comment for clarity