remove unneeded dependencies (close #28)

package.json

@@ -30,20 +30,15 @@
  "babel-core": "^6.26.0",
  "babel-eslint": "^7.1.1",
  "babel-loader": "^7.1.2",
- "babel-plugin-istanbul": "^4.1.1",
  "babel-plugin-transform-runtime": "^6.22.0",
  "babel-preset-env": "^1.6.0",
  "babel-preset-stage-2": "^6.22.0",
  "babel-register": "^6.26.0",
- "chai": "^4.1.2",
  "chalk": "^1.1.3",
- "chromedriver": "^2.32.1",
  "concurrently": "^3.5.0",
  "connect-history-api-fallback": "^1.3.0",
  "copy-webpack-plugin": "^4.0.1",
  "cpx": "^1.5.0",
- "cross-env": "^5.0.5",
- "cross-spawn": "^5.0.1",
  "css-loader": "^0.28.0",
  "electroshot": "^1.4.0",
  "eslint": "^4.6.1",
@@ -63,25 +58,12 @@
  "html-webpack-plugin": "^2.30.1",
  "http": "0.0.0",
  "http-proxy-middleware": "^0.17.3",
- "inject-loader": "^3.0.1",
- "karma": "^1.7.1",
- "karma-coverage": "^1.1.1",
- "karma-mocha": "^1.3.0",
- "karma-phantomjs-launcher": "^1.0.2",
- "karma-phantomjs-shim": "^1.4.0",
- "karma-sinon-chai": "^1.3.2",
- "karma-sourcemap-loader": "^0.3.7",
- "karma-spec-reporter": "0.0.31",
- "karma-webpack": "^2.0.4",
  "less": "^2.7.2",
  "less-loader": "^4.0.5",
  "lolex": "^1.5.2",
- "mocha": "^3.5.0",
- "nightwatch": "^0.9.16",
  "opn": "^5.1.0",
  "optimize-css-assets-webpack-plugin": "^2.0.0",
  "ora": "^1.3.0",
- "phantomjs-prebuilt": "^2.1.15",
  "postcss": "^6.0.11",
  "postcss-cssnext": "^2.11.0",
  "rename": "^1.0.4",
@@ -90,11 +72,8 @@
  "rimraf": "^2.6.0",
  "rx": "^4.1.0",
  "rxjs": "^5.4.3",
- "selenium-server": "^3.5.3",
  "semver": "^5.4.1",
  "shelljs": "^0.7.6",
- "sinon": "^2.3.4",
- "sinon-chai": "^2.13.0",
  "url-exists": "^1.0.3",
  "url-loader": "^0.5.9",
  "vue-loader": "^12.2.1",