Fix windows fast-glob usage in lint-deps test task

* Introduce normalize-path wherever we use fastGlob

* CI: Update yarn version; install yarn via npm on windows

* Add more logging to Grunt file spectron usage

* Lock core.js to what it was resolving to before: 2.4.1

* test/index.html: Remove nonexistent test file

* test/index.html: Remove missing registration.js

* preload.js: Introduce client-side logging for load failures

* Gruntfile: Introduce better debuggability if prod test fails

* Reintroduce glob for searches inside asar

package.json

@@ -88,6 +88,7 @@
     "form-data": "2.3.2",
     "fs-extra": "5.0.0",
     "fuse.js": "3.4.4",
+    "glob": "7.1.6",
     "google-libphonenumber": "3.2.6",
     "got": "8.2.0",
     "he": "1.2.0",
@@ -173,6 +174,7 @@
     "@types/memoizee": "0.4.2",
     "@types/mkdirp": "0.5.2",
     "@types/mocha": "5.0.0",
+    "@types/normalize-path": "3.0.0",
     "@types/pify": "3.0.2",
     "@types/qs": "6.5.1",
     "@types/react": "16.8.5",
@@ -200,7 +202,7 @@
     "babel-plugin-lodash": "3.3.4",
     "bower": "1.8.2",
     "chai": "4.1.2",
-    "core-js": "2.4.0",
+    "core-js": "2.4.1",
     "cross-env": "5.2.0",
     "css-loader": "3.2.0",
     "dashdash": "1.14.1",