Recommended update for the GNOME-stack

This update provides various fixes and improvements for the GNOME-stack:

- gedit (3.14.3 -> 3.14.4):
+ Various bug fixes
+ Updated translations

- gnome-initial-setup (3.14.2.1 -> 3.14.4):
+ Deal gracefully with absence of goa.
+ Updated translations.
+ Fix a crash in the network page.
+ Append ibus sources to input sources list.
+ Allow resizing on small screens.
+ Use header bars on goa dialogs.
+ Fix a crash in the language page.
+ Hide the window instead of letting gdm kill it.
+ Fix a crash in the keyboard page.
+ Updated translations.

- gnome-packagekit (3.14.2 -> 3.14.3):
+ Bugfix: Don't use the gtk namespace for local functions.
+ Updated translations.

- gnome-software (3.14.1 -> 3.14.7):
+ Show installation progress when installing apps.
+ Make sure apps that aren't installable are properly hidden in the category view.
+ Show a better UI for offline update failure dialog.
+ Several improvements to the sources dialog.
+ Fix a frequent crash in appstream plugin.
+ Fix a critical warning when opening the app folder dialog.
+ Fix a possible crash when changing the download-updates option in gsettings.
+ Fix a possible crash when dealing with apps that have no desktop ID associated.
+ Fix a crash with invalid screenshot URLs in appstream data.
+ Fix an issue that caused "Source: Unknown" to be shown on the details page even though the source info was available.
+ Update the styling of the history and sources dialogs to make sure unclickable rows don't appear clickable.
+ Correct the desktop file name for gnome-chess.
+ Hide updates UI on managed systems.
+ Workaround text coming up as selected in the updates dialog.
+ Fix a crash in the screenshot loader.
+ Fix a crash when installing rpms that lack description.
+ Wrap long descriptions in the update dialog.
+ Reduce network timeouts to one minute.
+ Avoid scaled up fonts on non-HiDPI displays.
+ Correctly save HiDPI images to HiDPI directories.
+ Scroll the contents of the error message dialog.
+ Correctly show the category for apps that only have a top-level category.
+ Fix a possible crash in the category code.
+ Fix a possible crash when pending apps change.
+ Updated translations.
+ Add the origin as a keyword if it's not the majority source.
+ Support the LOCAL AppStream icon type.
+ Do not fail to get popular apps if the AppStream data is invalid.
+ Do not show a random white line above the star rating widget.
+ Do not show empty app boxes if no popular results are available.
+ Do not try to download local web-app icons.
+ Fix screenshot loading with --details.
+ Use blue stars for the user-ratings rather than yellow/gold.

- gtk3 (3.14.13 -> 3.14.15):
+ listbox: listen for adjustment changes.
+ Many coverity warning fixes.
+ Various other upstream-bugs fixed
* bgo#741800, bgo#751401, bgo#752016,bgo#693738, bgo#738083, bgo#745957, bgo#750011, bgo#750605, bgo#750690, bgo#750870, bgo#750994, bgo#751050, bgo#751227, bgo#751443, bgo#751739, bgo#751752
+ Updated translations.

- nautilus (3.14.2 -> 3.14.3):
+ Don't create a window at start when using desktop.
+ Avoid unreadable names in list view.

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