deploy update
Updates and formatting to azure scripts.
Update cert generation for Azure.
Remove Azure from icebox.
Update README.md

Update Azure.
Bring Azure guide up to date.
Rearrange cluster sanity checks for Azure.
Merge readme changes.
Fix Azure util.sh boilerplate.
Azure review fixes.
Merge pull request #2461 from MSOpenTech/deploy

Bring Azure deploy scripts up to date