Better rnd data generation (for test).

Jira issue: HUBWH-6
Add README for app setup instruction

Jira Issue: HUBWH-11
Merge pull request #11 from ziransun/instruction

Add README for app setup instruction
Invoke dashboard for connection to mother's pzh.
Merge pull request #13 from steverc/HUBWH-6-uiImprovement4

Hubwh 6 ui improvement4