Clenup docker state docs, add note about double-indent

This fixes some bad indentation in the docstring
Merge pull request #12055 from UtahDave/develop

pylint fixes.
Merge pull request #12049 from terminalmage/issue12020

Clenup docker state docs, add note about double-indent
True should be returned instead.
Several improvements to the chef module.

* Use decorators to check for required binaries.
* Double to single quotes
* Use `.format()`
Merge pull request #12058 from s0undt3ch/develop

Improvements to the chef module
ScientificLinux : Use of correct grain value in modules/service.py

Small bug fix.
modules/service.py should use correct grain value for ScientificLinux
as reported below.

# salt-call grains.item os
local:
  os: ScientificLinux
Merge pull request #12059 from mlister2006/develop

ScientificLinux : Use of correct grain value in modules/service.py
Add template for using Google's customized search
Remove RTD check for theme selection
Add environment variable check to switch search providers

Using Google's search is an opt-in. Defaults to Sphinx-native
search.
Remove OpenSearch configuration

I don't know what this is or does.
Merge branch 'doc-google-custom-search' into develop
Point docs to the 2014.1.3 Windows Installers