expand user home path in stat.
Document facts.d
add support for fnmatch() style apt filenames

You can write a apt action like "- apt: pkg=apt*" with this package.
Fail apt package install when nothing is matched by the fnmatch pattern

Related to PR #3823
adding a little more info to the 'path' param so it's clear there are aliases (which are used in other examples) to avoid confusion
fixing problem causing docs not to build