Replace rm -rf with rimraf to support windows build

(cherry picked from commit a37711a)

package.json

@@ -11,7 +11,7 @@
     "dev": "webpack-dev-server --config=build/webpack.dev.config.js",
     "start": "npm run dev",
     "rollup": "node build/rollup.js",
-    "clean": "rm -rf lib/*",
+    "clean": "rimraf lib/*",
     "build": "npm run clean && npm run lint && npm run rollup -- --format=es,umd",
     "unit": "cross-env NODE_ENV=test karma start test/unit/karma.conf.js --single-run",
     "e2e": "node test/e2e/runner.js",
@@ -146,6 +146,7 @@
     "proj4": "^2.5.0",
     "puppeteer": "^1.17.0",
     "resolve-url-loader": "^3.0.0",
+    "rimraf": "^3.0.2",
     "rollup": "^0.66.3",
     "rollup-plugin-babel": "^4.0.3",
     "rollup-plugin-commonjs": "^9.1.8",