add: documentation for insecure option for openstack provider.
Fix some really weird timeouts on some archs

Which give such traceback
'''

if not data['data']:
TypeError: string indices must be integers, not st

'''
Merge pull request #12260 from s0undt3ch/hotfix/jenkins

Jinja2 meta-classes trigger issues with PyLint.
Allow getting `stderr` from the commands.
Check for extra arguments to '--doc' and fail. Fixes #12261.
Handle too many arguments for docs in salt-call. Refs #12261.
Handle too many arguments for docs in salt-run. Refs #12261.
Better examples on tests
Merge pull request #12247 from makinacorpus/race2

Fix some really weird timeouts on some archs
Merge pull request #12252 from skrobul/docs-insecure-openstack

add documentation for insecure option for openstack provider.
tar_options is a string and is immutable, so reassign it instead of calling remove
remove hard-coded script path in vsphere provider
Use content property to prevent requsts from trying to decode binary content.
Add cloud map interface to CloudClient
Add map runing to cloud runner
Removing invalid close() from ec2
Merge pull request #12265 from jslatts/tar_f_option_fix

archive.py state throws AttributeError when the 'f' flag is passed as a tar_option
Merge pull request #12266 from xandercrews/vsphere-cloud-fix

remove hard-coded script path in vsphere provider
Merge pull request #12267 from techhat/ec2

Removing invalid close() from ec2
Merge pull request #12268 from jslatts/s3_util_get_fix

utils/s3.py throws UnicodeDecodeError when attempting to download tarball from S3