Ryan Mulligan f9c9068120 nlohmann_json: 2.1.0 -> 3.1.1 ...

Semi-automatic update. These checks were performed:

- built on NixOS
- found 3.1.1 with grep in /nix/store/4pydihqzddnsfmlc2zcn6qlwi7m2p1k1-nlohmann_json-3.1.1
- found 3.1.1 in filename of file in /nix/store/4pydihqzddnsfmlc2zcn6qlwi7m2p1k1-nlohmann_json-3.1.1

2018-02-27 08:10:05 -08:00

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default.nix

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