Updated Galician translations
printing: Don't leak http connection to CUPS

Close http connection to CUPS after execution
of request which created it.

https://bugzilla.gnome.org/show_bug.cgi?id=720535
cell-renderer: Check for NULL return in vfunc start_editing()

This virtual function may return NULL, so, let's check if that's
the case and exit the function apropriately.

https://bugzilla.gnome.org/show_bug.cgi?id=720554
GtkPlacesSidebar: avoid a crash

Be more careful when comparing uris during DND - they may
be NULL.

https://bugzilla.gnome.org/show_bug.cgi?id=720264
GtkPlacesSidebar: Don't show desktop if its home

We go to extra length to set the desktop_uri to NULL when
desktop == home, but then we were adding the (non-functional)
place item anyway. Don't do that.
Updated Russian translation