Added documentation of global variables and example code

This example makes use of the updated global "dunder" variables
updated in #7121
Merge pull request #7180 from micahhausler/document/py_renderer

Added documentation of global variables and example code
Typo in loader.py
Merge pull request #7181 from holmboe/patch-1

Typo in loader.py
Type in cloud_controller.rst
Merge pull request #7182 from holmboe/patch-1

Type in cloud_controller.rst
Added configuration entries to allow translating Salt docs
Audit module documentation (T)

This commit continues the work started in 7d4739d, putting CLI examples
in bash code-blocks to give them syntax highlighting on
docs.saltstack.com.
Merge pull request #7188 from terminalmage/docs

Audit module documentation (T)
updated troubleshooting index to add selinux commands for CentOS/RHEL 6.
Merge pull request #7189 from gravyboat/develop

updated troubleshooting index to add selinux commands for CentOS/RHEL 6.
Added `versionadded` where appropriate.
Merge pull request #7193 from s0undt3ch/develop

Added `versionadded` where appropriate.