rsync: sha256 for the patch was updated
liquidfun: added google liquidfun (a box2d fork)
liquidfun: updated url and license
nixos/network-interfaces: Add support for multiple ipv4 / ipv6 addresses
nixos/network-interfaces: Add flush upon interface going down
Refactor nixos files relying on the old ipAddress / prefixLength / subnetMask attributes
nixos/network-interfaces: Support the old ip configuration convention
Merge pull request #3182 from wkennington/master.ipv6

nixos/network-interfaces: Add support for multiple ipv4 / ipv6 addresses
Merge pull request #3373 from qknight/liquidfun-fix

Liquidfun fix