Update meteor and npm packages to fix security vulnerabilities

app/package.json

@@ -13,29 +13,31 @@
     "test": "meteor test --driver-package meteortesting:mocha"
   },
   "dependencies": {
-    "@babel/runtime": "^7.3.1",
+    "@babel/runtime": "^7.5.5",
     "animejs": "^2.2.0",
     "bcrypt": "^3.0.6",
-    "core-js": "^2.6.3",
+    "core-js": "^2.6.9",
     "css-box-shadow": "^1.0.0-3",
     "fibers": "^2.0.2",
-    "lodash": "^4.17.11",
-    "marked": "^0.6.2",
-    "mathjs": "^5.5.0",
+    "lodash": "^4.17.15",
+    "marked": "^0.6.3",
+    "mathjs": "^5.10.3",
     "meteor-node-stubs": "^0.3.3",
     "moo": "^0.5.0",
     "nearley": "^2.16.0",
-    "qrcode": "^1.3.3",
+    "qrcode": "^1.4.1",
     "simpl-schema": "^1.5.5",
-    "source-map-support": "^0.5.10",
+    "source-map-support": "^0.5.12",
     "underscore": "^1.9.1",
-    "vue": "^2.6.2",
+    "vue": "^2.6.10",
     "vue-meteor-tracker": "^2.0.0-beta.5",
-    "vue-router": "^3.0.2",
-    "vuedraggable": "^2.20.0",
-    "vuetify": "^1.5.0",
+    "vue-router": "^3.0.7",
+    "vuedraggable": "^2.23.0",
+    "vuetify": "^1.5.16",
     "vuetify-upload-button": "^1.2.2",
-    "vuex": "^3.1.0"
+    "vuex": "^3.1.1"
   },
-  "devDependencies": {}
+  "devDependencies": {
+    "mem": ">=4.0.0"
+  }
 }