Update npm dependencies/package versions

package.json

@@ -19,7 +19,7 @@
     "async": "0.9.0",
     "current-executing-script": "0.1.3",
     "jitsi-meet-logger": "jitsi/jitsi-meet-logger",
-    "react-native-callstats": "3.23.0",
+    "react-native-callstats": "3.24.1",
     "retry": "0.6.1",
     "sdp-interop": "0.1.12",
     "sdp-simulcast": "0.2.1",
@@ -29,9 +29,9 @@
     "yaeti": "1.0.1"
   },
   "devDependencies": {
-    "babel-core": "6.25.0",
+    "babel-core": "6.26.0",
     "babel-eslint": "7.2.3",
-    "babel-loader": "7.1.1",
+    "babel-loader": "7.1.2",
     "babel-preset-es2015": "6.24.1",
     "babel-preset-stage-1": "6.24.1",
     "eslint": "3.19.0",
@@ -45,7 +45,7 @@
     "karma-webpack": "1.8.1",
     "precommit-hook": "3.0.0",
     "string-replace-loader": "1.3.0",
-    "webpack": "2.6.1"
+    "webpack": "3.5.6"
   },
   "scripts": {
     "lint": "eslint . && flow",