Updated Arabic translation
Updated Greek translation
Make screenshot-filename-builder stand-alone

So it could be reused in other applications.

https://bugzilla.gnome.org/show_bug.cgi?id=679054
Fix compile-time warning

screenshot-filename-builder.c:295:1: warning: no previous prototype for 'screenshot_build_filename_async' [-Wmissing-prototypes]
screenshot-filename-builder.c:322:1: warning: no previous prototype for 'screenshot_build_filename_finish' [-Wmissing-prototypes]

https://bugzilla.gnome.org/show_bug.cgi?id=679057
Ignore NULL save_dir

https://bugzilla.gnome.org/show_bug.cgi?id=679056
Don't mix file and URI related functions

g_strconcat ("file://", ...); is never a good way to create URIs
and most of the functions worked on local paths instead of URIs, so
use paths everywhere.

https://bugzilla.gnome.org/show_bug.cgi?id=679055
Allow customising the "from..." part of the name

So that application can insert a better name for the screenshot.

https://bugzilla.gnome.org/show_bug.cgi?id=679056
po/vi: import from Damned Lies
Updated Vietnamese translation
Updated Bulgarian translation
update Punjabi Translation
[l10n] Update Japanese translation
Updated Lithuanian translation
release: prepare for 3.5.4
Updated Traditional Chinese translation(Hong Kong and Taiwan)
Updated Slovenian translation
Updated Hungarian translation by Bence Lukács
Updated Hungarian translation
Updated Telugu Translation
[l10n] Update Japanese translation

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