Add Node v10 to CI

[chrisblossom]

Add Node v10 to CI.

[coveralls]

Coverage remained the same at 100.0% when pulling 849ce59 on chrisblossom:add-node-10 into 546361b on tribou:master.

[chrisblossom]

Not sure why the test is failing on windows node 10. Might want to try forcing a rebuild.

[tribou]

Build started
Fetching repository commit (52ecded)...OK
Total: 17 MB in 648 files
Running Install scripts
Install-Product node $env:nodejs_version
Uninstalling node 4.8.7 (x86)...
Installing node 10.0.0 (x86)...
npm run yarn
> jest-serializer-path@0.1.15 yarn C:\projects\jest-serializer-path
> npm run --silent yarn-bin -- install --prefer-offline
yarn install v1.6.0
(node:2800) [DEP0005] DeprecationWarning: Buffer() is deprecated due to security and usability issues. Please use the Buffer.alloc(), Buffer.allocUnsafe(), or Buffer.from() methods instead.
[1/5] Validating package.json...
[2/5] Resolving packages...
[3/5] Fetching packages...
node --version
v10.0.0
npm run test

> jest-serializer-path@0.1.15 test C:\projects\jest-serializer-path
> npm run --silent lint && npm run --silent test-jest

'eslint' is not recognized as an internal or external command,
operable program or batch file.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! jest-serializer-path@0.1.15 test: `npm run --silent lint && npm run --silent test-jest`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the jest-serializer-path@0.1.15 test script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm WARN Local package.json exists, but node_modules missing, did you mean to install?
npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\appveyor\AppData\Roaming\npm-cache\_logs\2018-05-08T02_52_38_476Z-debug.log
Command exited with code 1

Strange that it's not injecting the node_modules/.bin/ into the PATH. Since it's passing in the Linux CircleCI build, I'm assuming that must be a Windows implementation bug?