Update node dependencies

flaskbb/themes/aurora/package.json

@@ -32,20 +32,20 @@
     "watch:all": "npm-run-all -p watch:css watch:js"
   },
   "devDependencies": {
-    "autoprefixer": "^7.2.4",
+    "autoprefixer": "^8.2.0",
     "imagemin-cli": "^3.0.0",
-    "node-sass": "^4.7.2",
+    "node-sass": "^4.8.3",
     "npm-run-all": "^4.1.2",
     "onchange": "^3.3.0",
-    "postcss-cli": "^4.1.1",
-    "uglify-js": "^3.3.5"
+    "postcss-cli": "^5.0.0",
+    "uglify-js": "^3.3.16"
   },
   "dependencies": {
-    "bootstrap-sass": "^3.3.7",
     "bootstrap-markdown": "^2.10.0",
+    "bootstrap-sass": "^3.3.7",
     "font-awesome": "^4.7.0",
+    "jquery": "^3.3.1",
     "jquery-textcomplete": "^1.8.4",
-    "jquery": "^3.2.1",
-    "marked": "^0.3.9"
+    "marked": "^0.3.19"
   }
 }