cloudstack: updates and v1 sync

Fixes #11119

Commits from 31520cdd to 62ccc1b9 related to cloudstack.py

Minor tweaks to winrm integration tests

Factor primitives for F5 modules

fix fact gathering on OS X

Update guide_aws.rst

Fixed typos.

made NA the last resort

made sure NA is option of last resort

We're being too strict - there is a third possibility, which is that a
user will have defined the OS_* environment variables and expect them to
pass through.

Fix envvars support in openstack modules

Add -Compress to ConvertTo-Json calls in common powershell code