eslint integration w/ commits and tests

package.json

{
  "name": "ThousandFaces",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "pretest": "npm run lint",
    "precommit": "lint-staged"
  },
  "lint-staged": {
    "client/**/*.js": "eslint"
  },
  "devDependencies": {
    "lint-staged": "^3.4.1"
  },
  "repository": {
    "type": "git",
    "url": "git+https://github.com/jpsullivan/ThousandFaces.git"
  },
  "author": "Josh Sullivan <jaysche.sullivan@gmail.com> (https://github.com/jpsullivan)",
  "license": "ISC",
  "bugs": {
    "url": "https://github.com/jpsullivan/ThousandFaces/issues"
  },
  "homepage": "https://github.com/jpsullivan/ThousandFaces#readme"
}