Add postgresql_db and postgresql_use checkmode.
Change title of localtoc menu from Page to Section
Fix typo in svc docs
Best practices doc updates
Explain ansible_python_interp. a little better
Use yaml.safe_load as we are just using basic data structures
more places to use yaml.safe_load
Nothing references DOCUMENTATION.yaml, and it's incomplete, so remove it.
temporarily disabled, want to re-layout this later.
Add type checking for module arguments, converting as much as possible

Converts to list from comma-separated strings, and to dicts from
comma-separated, key=value strings.

Fixes #2126.
Working on adding things to changelog
Removing pipe once since it has some issues about evaluating more than once :)
Organize changelog
Use argument type checking to convert to boolean
Add some 1.1 feature documentation
Add more 1.1 features
Document how to do task includes using with_items and externalized data.
Lots of docsite additions for new features + cleanup lineinfile YAML docs
Fix module docs formatting
Documentation updates