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- upgraded `"ncp": "^0.5.1"` to `"ncp": "^0.6.0"`
- upgrade `jsonfile": "^1.2.0"` to `jsonfile": "^2.0.0"` => on write, json files now have `\n` at end. Also adds `options.throws` to `readJsonSync()`
see https://github.com/jprichardson/node-jsonfile#readfilesyncfilename-options for more details.