Added Brazilian Portuguese translation in DOC_LINGUAS
Updated Brazilian Portuguese translation proofread by Enrico Nicoletto
Updated Brazilian Portuguese translation proofread by Enrico Nicoletto
3.8.4
Updated Brazilian Portuguese translation
Updated Brazilian Portuguese translation for GPL doc
Enabled Brazilian Portuguese translation for GPL doc
[l10n]Updated Turkish translation
gnome-bg: Fix memory leaks when using get_as_slideshow()

get_as_slideshow() returns a reference to the slideshow,
which we need to get rid of when we're not using it anymore.

https://bugzilla.gnome.org/show_bug.cgi?id=709271
gnome-bg-slideshow: Fix memory leak of a filename

https://bugzilla.gnome.org/show_bug.cgi?id=709271