v1.966 final

Update README.md

Merge pull request firewalla#1525 from firewalla/beta_6_0

Production Deployment - 1.963

Merge pull request firewalla#1513 from firewalla/beta_7_0

Beta Patch - 20190523

Merge pull request firewalla#1227 from firewalla/beta_7_0

1.958 Beta Drop

Merge pull request firewalla#992 from firewalla/beta_6_0

Production Release - 1.956

Merge pull request firewalla#962 from MelvinTo/master

update arm 64 nm hash

Merge branch 'beta_6_0' into master

Merge pull request firewalla#719 from firewalla/beta_6_0

[Production] Release 1.95

Merge pull request firewalla#634 from jerrchen/master

fixing problem that very hosts not showing up, closes firewalla#623