[l10n] Updated Italian translation.
Updated Hungarian translation
Updated Polish translation
Fix CSD window decorations

https://bugzilla.gnome.org/show_bug.cgi?id=708407
NEWS update
bump version to 3.9.92
Updated Korean translation
Update Arabic translation
Updated Lithuanian translation
Updated Slovenian translation
Updated Galician translations
Updated German translation
Install a valid XML AppData file
Updated Czech translation
NEWS updates, bump version to 3.10.0
Updated Indonesian translation
Fix listing applications in “Startup Applications” if an application lacks an icon

If only one application fails to specify an icon in its .desktop file,
pressing the “+” button in “Startup Applications” fails.
If the application at least specifies a name, continue to build
the application list without an icon for that application.

https://bugzilla.gnome.org/show_bug.cgi?id=708900
allow localized searches

The default encoding for python2 is ASCII, a localized
character can't be represented using this encoding.

UTF-8 allow represent every character in the Unicode character set.

**UTF-8 is the default encoding for python3
more info: http://docs.python.org/3.3/howto/unicode.html
be more conservative with unicode errors
wrong number of arguments in LogoutNotification