replace binary files with npm module

package.json

@@ -90,6 +90,7 @@
     "babel-preset-react": "^6.23.0",
     "babel-preset-stage-0": "^6.22.0",
     "babel-runtime": "^6.23.0",
+    "chromedriver": "^2.30.1",
     "css-loader": "0.22.0",
     "deep-extend": "^0.4.1",
     "deepmerge": "^1.3.2",
@@ -122,6 +123,7 @@
     "react-test-renderer": "^15.5.4",
     "rimraf": "^2.6.0",
     "sass-loader": "^6.0.2",
+    "selenium-server-standalone-jar": "^3.4.0",
     "standard": "^8.6.0",
     "standard-loader": "^5.0.0",
     "style-loader": "0.13.0",

test/e2e/nightwatch.json

@@ -21,12 +21,12 @@
 
   "selenium" : {
     "start_process" : true,
-    "server_path" : "test/e2e/bin/selenium-server-standalone-3.4.0.jar",
+    "server_path" : "node_modules/selenium-server-standalone-jar/jar/selenium-server-standalone-3.4.0.jar",
     "log_path" : "",
     "host" : "127.0.0.1",
     "port" : 4444,
     "cli_args" : {
-      "webdriver.chrome.driver" : "test/e2e/bin/chromedriver",
+      "webdriver.chrome.driver" : "node_modules/chromedriver/bin/chromedriver",
       "webdriver.firefox.profile" : "",
       "webdriver.ie.driver" : ""
     }