Semi-automatic update. These checks were done:
- built on NixOS
- ran `/nix/store/p41wb0fqnvn4bx6jjs7hs98xlrzp8s79-tini-0.17.0/bin/tini -h` got 0 exit code
- ran `/nix/store/p41wb0fqnvn4bx6jjs7hs98xlrzp8s79-tini-0.17.0/bin/tini --version` and found version 0.17.0
- ran `/nix/store/p41wb0fqnvn4bx6jjs7hs98xlrzp8s79-tini-0.17.0/bin/tini -h` and found version 0.17.0
- found 0.17.0 with grep in /nix/store/p41wb0fqnvn4bx6jjs7hs98xlrzp8s79-tini-0.17.0
- found 0.17.0 in filename of file in /nix/store/p41wb0fqnvn4bx6jjs7hs98xlrzp8s79-tini-0.17.0
- Update docker version to 1.13.0.
- Introduce now docker-proxy package (from libnetmork).
- Use overrideDerivation to set the correct version for docker.
- Update tini to make sure we can build it static.
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
