diff --git a/package-lock.json b/package-lock.json
index 382c0294e4a3b23133a57bfc47b0cbe7126a185d..8f0f5b0a3d2abe25bee28a9b59e7d68c1bbe6c86 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2523,7 +2523,6 @@
           "integrity": "sha512-u5iz+ijIMUlmV8blX82VGFrB9ecnUg5qEt55CMZ/YJEhha+d8qpBfOFuutJ6F/VKRXjZoD33b6uvarpPxcl3RA==",
           "dev": true,
           "requires": {
-            "caniuse-lite": "^1.0.30000899",
             "electron-to-chromium": "^1.3.82",
             "node-releases": "^1.0.1"
           }
@@ -5904,12 +5903,6 @@
         }
       }
     },
-    "caniuse-lite": {
-      "version": "1.0.30001010",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001010.tgz",
-      "integrity": "sha512-RA5GH9YjFNea4ZQszdWgh2SC+dpLiRAg4VDQS2b5JRI45OxmbGrYocYHTa9x0bKMQUE7uvHkNPNffUr+pCxSGw==",
-      "dev": true
-    },
     "capture-exit": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/capture-exit/-/capture-exit-1.2.0.tgz",
@@ -8692,7 +8685,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -8713,12 +8707,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -8733,17 +8729,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -8860,7 +8859,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -8872,6 +8872,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -8886,6 +8887,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -8893,12 +8895,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -8917,6 +8921,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -8997,7 +9002,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -9009,6 +9015,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -9094,7 +9101,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -9130,6 +9138,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -9149,6 +9158,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -9192,12 +9202,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
diff --git a/package.json b/package.json
index c80808468ca5757373bfd1a69c3018fa49f1dc38..ef7587748690905efcbbf47e92e017af85aed724 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,5 @@
 {
   "name": "mmm-web-app",
-  "version": "0.0.1",
-  "description": "",
   "private": true,
   "scripts": {
     "dev": "concurrently \"npm run server\" \"npm run client\"",
@@ -15,8 +13,10 @@
   "jest": {
     "setupTestFrameworkScriptFile": "<rootDir>/src/client/setupTests.js"
   },
-  "keywords": [],
   "author": "Esko Ikkala",
+  "contributors": [
+    "Erkki Heino"
+  ],
   "license": "MIT",
   "devDependencies": {
     "@babel/cli": "^7.1.5",