npm update

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>

ui (gen4)/package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "ImageGrid.Viewer.g4",
-  "version": "4.0.0a",
+  "version": "4.0.0-a",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -416,7 +416,7 @@
     },
     "concat-map": {
       "version": "0.0.1",
-      "resolved": false,
+      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
     },
     "concat-stream": {
@@ -801,7 +801,7 @@
     },
     "fs.realpath": {
       "version": "1.0.0",
-      "resolved": false,
+      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
       "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
     },
     "gauge": {
@@ -1428,7 +1428,7 @@
     "object-assign": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
-      "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg=="
+      "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
     },
     "object-keys": {
       "version": "0.4.0",
@@ -2443,7 +2443,7 @@
     },
     "wrappy": {
       "version": "1.0.2",
-      "resolved": false,
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "xtend": {