Improved U2F authentication, added multiple U2F key support.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "meshcentral",
-  "version": "0.2.7-s",
+  "version": "0.2.7-t",
   "keywords": [
     "Remote Management",
     "Intel AMT",
@@ -27,6 +27,7 @@
   ],
   "dependencies": {
     "archiver": "^3.0.0",
+    "authdog": "^0.1.1",
     "body-parser": "^1.18.2",
     "compression": "^1.7.3",
     "connect-redis": "^3.4.0",
@@ -42,7 +43,6 @@
     "nedb": "^1.8.0",
     "node-forge": "^0.7.6",
     "otplib": "^10.0.1",
-    "u2f": "^0.1.3",
     "util.promisify": "^1.0.0",
     "ws": "^6.1.2",
     "xmldom": "^0.1.27",