Don't test deprecated function.

* utils.memoize has been moved to salt.utils.decorators. Don't test it here.
Fix sphinx build warning

This fixes a sphinx build warning resulting from improperly formatted
argument names.
Merge pull request #9478 from terminalmage/sphinx

Fix sphinx build warning
Merge pull request #9479 from terminalmage/docs

Enhancement to master troubleshooting docs
Fix unit tests for Postgres on some platforms

 * Fix for inconsistent behavior wherein systems will use varying escaping behavior for quotes and double-quotes. (Most notably, Ubuntu 10 for some oddball reason.

  * Reformatting.
Fixed a lower case reference to Salt on the cloud troubleshooting docs.
Slight tweak to earlier master troubleshooting page edit
Merge pull request #9480 from cachedout/unit-tests

Unit tests
Merge remote branch 'upstream/develop' into develop
Updated the master troubleshooting doc with details regarding unexpected behavior with the -c option.
Merge pull request #9482 from gravyboat/develop

Fixed a typo in cloud troubleshooting, new section for master troubleshooting.
More refinement of master/minion troubleshooting docs

Added an nmap example for checking if ports are open, removed some
redundant wording, and reworded other parts to be more concise.