* Initial proposal for new parameter option for response format
- output_version parameter dictates the response key case
- new is snake_case, old is camelCase
- If new, conversion is done at the end of module execution
- This is purely a proposal and not a final draft
* Add support for ANSIBLE_MERAKI_FORMAT env var
- If env var is set to 'camelcase' it will output camelcase
- Otherwise, will default to snakecase
- Added note to documentation fragment
- As of now, all module documentation needs to be updated
* Fix pep8 errors and remove output_version args
* Restructure check in exit_json so it actually works
* Add changelog fragment
* Change output_format to a parameter with env var fallback
- ANSIBLE_MERAKI_FORMAT is the valid env var
- Added documentation
* Convert to camel_dict_to_snake_dict() which is from Ansible
- Fixed integration tests
* Fix yaml lint error
* exit_json camel_case conversion handles no data
- exit_json would fail if data wasn't provided
- Updated 3 integration tests for new naming convention
* convert_camel_to_snake() handles lists and dicts
- The native Ansible method doesn't handle first level lists
- convert_camel_to_snake() acts simply as a wrapper for the method
- There maybe a situation where nested lists are a problem, must test
- Fixed integration tests in some modules
* A few integration test fixes
* Convert response documentation to snake case
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