Update ipvsadm to version 1.31 / rev 27 via SR 1001486
https://build.opensuse.org/request/show/1001486
by user mtomaschewski + dimstar_suse
- Finish UsrMerge and move binaries /usr/sbin (bsc#1191064)
- Re-add changes to zero-byte ipvsadm-print_largenum.patch file