Integrate new server authentication to client

Changes:
- Use server authentication REST API
- Log in automatically after registration
- Store token in localStorage
- Give feedback to user if registration or login fails

GitLab: #75
Change-Id: Ib90e5b911621567c6825af5e275920d703cdfe88
diff --git a/client/src/redux/store.ts b/client/src/redux/store.ts
index be2b4a5..d0dbd89 100644
--- a/client/src/redux/store.ts
+++ b/client/src/redux/store.ts
@@ -21,7 +21,7 @@
 
 export const store = configureStore({
   reducer: {
-    app: appReducer,
+    userInfo: appReducer,
   },
 });