update Punjabi Translation for 3.14 release
3.14.0
Updated Hindi translation
Updated Kannada translation
update zh_CN translation
Updated Telugu translation
Updated Serbian translation
Updated Bulgarian translation
Updated Norwegian bokmål translation.
Updated Bengali (India) translation
dbusservice: Force Position to be int64

Fixes type mismatch issue with Rygel/GIO:

(lt-rygel:21424): GLib-GIO-WARNING **: Received property Position with type i
does not match expected type x in the expected interface

https://bugzilla.gnome.org/show_bug.cgi?id=737476
Updated Italian translation
Updates Persian Translations
main: Move overlay creation to GtkBuilder
main: Fix lingering white line in fullscreen

Hide the revealer when the animation has finished, so as to avoid
the 1-line gray-ish background when in fullscreen.

This also fixes what looked like a shadow underneath the toolbar in
windowed mode.

https://bugzilla.gnome.org/show_bug.cgi?id=723775
main: Thumbnail bookmarked movies as well
main: Move media_is_local() earlier in the file
main: Load bookmark-time if mtime isn't available

So we don't fail to load thumbnails for bookmarks because of the lack of
modification time property.
main: Save the thumbnail URL to the bookmarks DB

So we don't need to thumbnail it again and again.
main: Remove obsolete add_tearoffs properties