Fix version in front

Change-Id: Ia9b87dcb1e01f541830ac9e4aabea5a34af41d82

jams-react-client/package.json

 {
   "name": "jams-jami-client",
-  "version": "2.2.0",
+  "version": "2.1.0",
   "description": "Jams client for managing user's devices",
   "private": false,
   "main": "dist/index.js",