This update fixes the following issues for gtk3:

- Update to version 3.4.4
- GtkIconView: Fallout from the layout rewrite has been fixed
- bgo#531319: "weight-set" cellrenderertext attribute misbehaves with treestores
- bgo#571254: Constructing a pixel value from components
- bgo#613561: single quote missing in translation of gtk-2-18.kn.po
- bgo#643490: gtk-style-context-add-provider () documentation needs more documentation
- bgo#646798: Add a tip about "cloning contexts"
- bgo#647779: Doesn't mention GtkDialog replacements
- bgo#649569: GDK_THREADS_ENTER in file_print_cb@modules/printbackends/file/printbackendfile.c
- bgo#659613: GtkLockButton docs are inaccurate
- bgo#663991: _XOPEN_SOURCE 500 causes error in Solaris Studio compiler
- bgo#664646: dnd pointer lock when dragging tab between two gedit instances
- bgo#667808: Accept -1 as the position where insert an element in list and tree stores
- bgo#670369: gdk: annotate the attributes_mask type for gdk_window_new
- bgo#671437: GtkStyle background color regression
- bgo#671817: GTK+ doesn't create ~/.local/share (path) and ~/.local/share/recently-used.xbel
- bgo#673749: Error Message When Creating Tray Icon
- bgo#675167: GtkPlug gets key translation wrong with multiple layouts
- bgo#675423: doc: Add missing CDATA around a XML programlisting
- bgo#675535: GtkScale in GtkToolbar: strange behaviour with double click
- bgo#675809: Crash when clicking xrefs
- bgo#675899: Infobar not loadable by GTKBuilder (using python gi introspection)
- bgo#675990: gtk_tree_column_set_visible badly interact with the a11y code
- bgo#676077: Windows: Weird characters appearing when using certain keys on the keyboard
- bgo#676243: Document removing of accelerators
- bgo#676262: Build failure in gdk
- bgo#676329: GDK_SMOOTH_SCROLL_MASK lacks "Since"
- bgo#677127: Misc annotation fixes
- bgo#677293: GtkFontSelectionDialog partially broken on gtk 3.4
- bgo#677363: grid: Add missing guard to gtk_grid_get_child_at()
- bgo#677551: a11y: fix a typo leading to a crash
- bgo#677649: gtk[list,tree]store: fix transformation of GValues upon set
- bgo#677774: gdk: add missing annotations to gdk_event_get_scroll_deltas
- bgo#677775: gdk: add a missing annotation to GdkEventProperty
- bgo#677809: Regression: gtkiconview changes in 3.4.2 / master break cheese's thumbnail list
- bgo#677915: entry-completion: don't move to leftmost character with inline-selection
- bgo#677941: Gtk.ListStore doesn't have the method "reorder" as its documentation says
- bgo#678175: [Patch] Memory leak in GtkImage
- bgo#678407: GtkImage: fix get_property('stock')
- bgo#678829: Bloatpad example application has "parse" action instead of "paste"
- bgo#679166: modelmenu: set the accel group on the GtkMenu
- bgo#679228: signal parameter names are not valid C identifiers
- bgo#679409: docs: link against libgdk-3.la
- bgo#679454: modelmenu: listen for toplevel changes on the attach widget
- bgo#679537: Crash in GtkEntry gtk_entry_get_icon_pixbuf()