* Update docs for the 2.7 change to AnsiballZ which invokes modules with one
less Python interpreter
* Add a section on how module results are returned and on trust between modules, action plugins, and the executor.
* Update docs/docsite/rst/dev_guide/developing_program_flow_modules.rst
Co-Authored-By: abadger <a.badger@gmail.com>
* Allow subspec defaults to be processed when the parent argument is not supplied
* Allow this to be configurable via apply_defaults on the parent
* Document attributes of arguments in argument_spec
* Switch manageiq_connection to use apply_defaults
* add choices to api_version in argument_spec
* Docs refactor as outlined in https://github.com/ansible/proposals/issues/79. Moves content into 'guides'; refactors TOC; fixes CSS; design tweaks to layout and CSS; fixes generated plugin, CLI and module docs to fix links accodingly; more.
* Adding extra blank line for shippable
* developing_modules.rst is now in dev_guide, sync changes and delete the old version
* Cleaner RST & formatted code
* Tidyup roadmaps
* Link to repomerge
* Pull in abadger's fixes From https://github.com/ansible/ansible/compare/docs-code-block-fixes?expand=1
* Clean docsite/rst (apart from ROADMAP
