* Merge from Debian unstable. Remaining changes: (LP: #1495273) - debian/patches: * gnome-3.0.diff: Correctly open preferred browser with gnome-open (LP: #670128) * lp779156-lubuntu.diff: Add open_lxde and run_sylpheed function for improved LXDE and sylpheed support (LP: #779156) * xdg-screensaver-restore-timeout.diff: restore previous X11 screensaver timeout when xdg-screensaver resume is used (LP: #1363540) * New upstream release fixes the following bugs: - xdg-mime query filetype does not work on KDE 5 (LP: #1454833) - xdg-open doesn't properly detect Xfce/Xubuntu (LP: #1388922) - xserver-blanking patch in Ubuntu duplicates code (LP: #1330386) - Typo in manpage of 'xdg-icon-resource' (LP: #996304) - xdg-open (to gnome-open) fails to launch file:// URL with query string (LP: #396162)