* Move ansible.compat.tests to test/units/compat/.
* Fix unit test references to ansible.compat.tests.
* Move builtins compat to separate file.
* Fix classification of test/units/compat/ dir.
* Adding slxos_config module and supporing util functions.
* Adding slxos module_utils load_config test
* Adding slxos_config module tests
* Removing unneeded required false statements from slxos_config module
* Removing version_aded from slxos_config module
* Removing force and save from slxos config module
* Removing save test