Upgrade babel and lodash

package.json

@@ -32,13 +32,13 @@
     "browser": "*"
   },
   "devDependencies": {
-    "@babel/cli": "^7.1.0",
-    "@babel/core": "^7.1.0",
-    "@babel/preset-env": "^7.1.0",
+    "@babel/cli": "^7.2.2",
+    "@babel/core": "^7.2.2",
+    "@babel/preset-env": "^7.2.3",
     "@converse/headless": "^4.0.2",
     "@fortawesome/fontawesome-free": "5.3.1",
     "awesomplete-avoid-xss": "^1.1.2",
-    "babel-loader": "^8.0.0",
+    "babel-loader": "^8.0.4",
     "backbone.nativeview": "^0.3.3",
     "backbone.overview": "^1.0.2",
     "backbone.vdomview": "^1.0.1",

src/headless/package.json

@@ -26,7 +26,7 @@
     "backbone.browserStorage": "0.0.5",
     "es6-promise": "^4.1.0",
     "filesize": "^3.6.1",
-    "lodash": "^4.17.10",
+    "lodash": "^4.17.11",
     "moment": "~> 2.19.3 ",
     "pluggable.js": "2.0.0",
     "strophe.js": "1.3.0",