[1] Add "Seeing is Believing" cross-zone peer authentication Function
[2] Integrate PZP peer discovery with SiB
[3] Service sharing supports between cross-zone peers
[4] UI at PZP landing page to demo the functions

Jira Issue: WP-346
Code clean up and format check

Jira Issue: WP-346
Merge remote-tracking branch 'upstream/master' into Sib_Disco
Rebase client.html file and clean up

Jira Issue: WP-346
Merge remote-tracking branch 'upstream/master' into Sib_Disco
Update per review comments

Jira Issue: WP-346
Merge pull request #431 from ziransun/Sib_Disco

Sib disco