Update to node 12

package.json

@@ -58,7 +58,7 @@
     "@angular/platform-browser-dynamic": "^8.2.4",
     "@angular/platform-server": "^8.2.4",
     "@angular/router": "^8.2.4",
-    "@clusterws/cws": "^0.15.0",
+    "@encharm/cws": "^4.0.2",
     "@fortawesome/angular-fontawesome": "^0.5.0",
     "@fortawesome/fontawesome-svg-core": "^1.2.22",
     "@fortawesome/free-brands-svg-icons": "^5.10.2",
@@ -115,7 +115,6 @@
     "chai": "^4.2.0",
     "chai-as-promised": "^7.1.1",
     "chalk": "^2.4.2",
-    "clusterws-uws": "^0.4.6",
     "color-convert": "^2.0.1",
     "connect-mongo": "^3.0.0",
     "cookie-parser": "^1.4.4",