updated dependencies and rebuilt

package.json

@@ -1,20 +1,7 @@
 {
   "name": "tinode-webapp",
   "description": "Tinode messenger for the web",
-  "version": "0.16.0-rc2",
-  "devDependencies": {
-    "@babel/core": "^7.4.5",
-    "@babel/preset-env": "^7.4.5",
-    "@babel/preset-react": "^7.0.0",
-    "babel-loader": "^8.0.6",
-    "babel-plugin-react-intl": "^3.2.0",
-    "browserslist": "^4.6.2",
-    "cssnano": "^4.1.10",
-    "postcss": "^7.0.17",
-    "uglifyjs-webpack-plugin": "^2.1.3",
-    "webpack": "^4.33.0",
-    "webpack-cli": "^3.3.4"
-  },
+  "version": "0.16.0-rc3",
   "repository": {
     "type": "git",
     "url": "https://github.com/tinode/example-react-js.git"
@@ -77,10 +64,23 @@
   "author": "Tinode Authors <info@tinode.co>",
   "license": "Apache-2.0",
   "dependencies": {
-    "firebase": "^5.8.6",
+    "firebase": "^6.3.0",
     "react": "^16.8.4",
     "react-dom": "^16.8.4",
     "react-intl": "^2.9.0",
-    "tinode-sdk": "^0.15.14"
+    "tinode-sdk": "^0.16.0-rc3"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.5.4",
+    "@babel/preset-env": "^7.5.4",
+    "@babel/preset-react": "^7.0.0",
+    "babel-loader": "^8.0.6",
+    "babel-plugin-react-intl": "^4.1.0",
+    "browserslist": "^4.6.6",
+    "cssnano": "^4.1.10",
+    "postcss": "^7.0.17",
+    "uglifyjs-webpack-plugin": "^2.1.3",
+    "webpack": "^4.35.3",
+    "webpack-cli": "^3.3.6"
   }
 }