Upgrade packages.

Author: MichMich

package.json

@@ -33,39 +33,39 @@
   },
   "homepage": "https://magicmirror.builders",
   "devDependencies": {
-    "chai": "^3.5.0",
-    "chai-as-promised": "^6.0.0",
+    "chai": "^4.1.2",
+    "chai-as-promised": "^7.1.1",
     "current-week-number": "^1.0.7",
     "grunt": "latest",
     "grunt-eslint": "latest",
     "grunt-jsonlint": "latest",
-    "grunt-markdownlint": "^1.0.39",
+    "grunt-markdownlint": "^1.0.43",
     "grunt-stylelint": "latest",
     "grunt-yamllint": "latest",
-    "http-auth": "^3.1.3",
-    "jshint": "^2.9.4",
-    "mocha": "^3.4.2",
+    "http-auth": "^3.2.3",
+    "jshint": "^2.9.5",
+    "mocha": "^4.1.0",
     "mocha-each": "^1.1.0",
-    "spectron": "3.6.x",
-    "stylelint": "^8.0.0",
+    "spectron": "3.7.x",
+    "stylelint": "^8.4.0",
     "stylelint-config-standard": "latest",
     "time-grunt": "latest"
   },
   "dependencies": {
-    "body-parser": "^1.17.2",
+    "body-parser": "^1.18.2",
     "colors": "^1.1.2",
     "electron": "1.4.15",
-    "express": "^4.15.3",
+    "express": "^4.16.2",
     "express-ipfilter": "0.3.1",
     "feedme": "latest",
-    "helmet": "^3.6.1",
+    "helmet": "^3.9.0",
     "iconv-lite": "latest",
     "mocha-logger": "^1.0.5",
     "moment": "latest",
-    "request": "^2.81.0",
-    "rrule-alt": "^2.2.5",
-    "simple-git": "^1.73.0",
-    "socket.io": "^2.0.2",
+    "request": "^2.83.0",
+    "rrule-alt": "^2.2.7",
+    "simple-git": "^1.85.0",
+    "socket.io": "^2.0.4",
     "valid-url": "latest",
     "walk": "latest"
   }