Recommended update for lightdm, xdm

This update for lightdm, xdm fixes the following issues:

Changes in xdm:

- boo#978262: Make SUSEconfig handler for DISPLAYMANAGER_XSERVER_TCP_PORT_6000_OPEN robust against changes to the default setting of -listen/-nolisten tcp

Changes in lightdm:
- boo#978262: Handle new type of -liste/-nolisten tcp

Fixed bugs
bnc#978262
[DM] X-Server dont open tcp Port 6000 for remote use
Selected Binaries
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