systemd: Several fixes

This update fixes the following issues with systemd:
- bnc#746595: Fixed disabling CapsLock and enabling NumLock
- bnc#809843:
+ udev: re-implement network renaming
+ udev: re-add persistent network rules
- rebase all patches, ensure that they apply properly.

Fixed bugs
bnc#746595
KBD_NUMLOCK="yes" in /etc/sysconfig/keyboard does not work under systemd init
bnc#809843
Random eth0/eth1 name space with two Ethernet driver modules
Selected Binaries
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