Data harvesting and general improvements/fixes (#20)
* Removed unused/broken playbooks
* Adding NSO->OC filter
* Improved harvesting of data
* Updated to support native NED data in addition to OC
* Updated tests for current Ansible versions
* Automatically create mdd-data folders if they don't exist
* Add ability to specify top level data key when validating
* Added clean.yml playbook to clean files from mdd-data directory
* Added ability to copy package from localhost
* Updated for python3.10
* Fixes to update throttling
