Changed library structure
Origional TowerModule becomes TowerLegacyModule
TowerModule from tower_api becomes TowerAPIModule
A real base TowerModule is created in tower_module.py
A new TowerAWXKitModule is created in tower_awxkit
TowerAWXKitModule and TowerAPIModule are child classes of TowerModule
* Lean on API validation for tower_inventory_source arg errors
used for
- validating needed credential is given
- missing source_project for scm sources
* Add warning when config is specified in 2 places
Fix up unit tests, address multiple comments re: backwards compatibility, redundant methods, etc.
Update new_name and variables parameters, update unit tests