Merge pull request russellcardullo#59 from grnhse/re-implement-contac…

…ts-teams

Re-implement Contacts and Teams

Merge branch 'justincmoy-ssl-certificate-verify-pr' into master

Merge pull request russellcardullo#54 from chenrui333/go-1.13.4

Bump golang to v1.13.4

Merge pull request russellcardullo#48 from Limess/get-check-severity

Unmarshal check severity_level