xdg-utils, perl-X11-Protocol: collective update

This update fixes the following issues for xdg-utils:
- 749612: use gvfs-open if available in place of gnome-open
- 559110: Fix xdg-screensaver issues with Gnome 3
- add xdg-terminal

This update fixes the following issue for perl-X11-Protocol:
- 746894: Fix issue with XAUTHLOCALHOSTNAME='localhost'
This is needed in plus for the fix of xdg-utils, to fix bnc#559110

Fixed bugs
bnc#749612
xdg-utils is too old and uses GNOME 2 stuff
bnc#559110
gnome-screensaver-command --poke does not inhibit screensaver
bnc#746894
X11::Auth not knowing about the openSUSE-specific XAUTHLOCALHOSTNAME environment variable
Selected Binaries
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