bumping some deps

Author: ef4

package.json

@@ -22,17 +22,17 @@
   "dependencies": {
     "broccoli-concat": "^3.2.2",
     "broccoli-funnel": "^2.0.0",
-    "broccoli-merge-trees": "^2.0.0",
+    "broccoli-merge-trees": "^3.0.1",
     "broccoli-plugin": "^1.2.1",
     "chalk": "^2.0.1",
     "ember-cli-babel": "^6.7.2",
     "ember-cli-lodash-subset": "2.0.1",
     "ember-cli-preprocess-registry": "^3.1.0",
     "ember-cli-version-checker": "^2.1.0",
-    "fastboot": "^1.1.4-beta.1",
+    "fastboot": "^1.2.0",
     "fastboot-express-middleware": "^1.1.0",
     "fastboot-transform": "^0.1.2",
-    "fs-extra": "^4.0.2",
+    "fs-extra": "^7.0.0",
     "json-stable-stringify": "^1.0.1",
     "md5-hex": "^2.0.0",
     "silent-error": "^1.0.0"
@@ -65,7 +65,7 @@
     "ember-sinon": "^1.0.0",
     "ember-source": "~3.0.0",
     "eslint-plugin-ember": "^5.0.0",
-    "eslint-plugin-node": "^5.2.1",
+    "eslint-plugin-node": "^7.0.1",
     "glob": "^7.0.0",
     "loader.js": "^4.2.3",
     "mocha": "^5.0.0",