In issue #10073 a misbehaviour in literal handling for inline lookup
arguments that can cause unexpected behaviur was reported. This
integration testcase reproduce the problem.

After applying pull request #10991 the issue is fixed and the test
passes.

Signed-off-by: Jan Losinski <losinski@wh2.tu-dresden.de>

Also fixed a bug in ssh.py where an attribute was being inappropriately
initialized in the _connect() method instead of __init__()

* PluginLoader class will now be more selective about loading some
  plugin classes, if a required base class is specified (used to avoid
  loading v1 plugins that have changed significantly in their apis)
* Added ability for the connection info class to read values from a
  given hosts variables, to support "magic" variables
* Added some more magic variables to the VariableManager output
* Fixed a bug in the ActionBase class, where the module configuration
  code was not correctly handling unicode

v2_final Testing additions and fixes

* Fix import pathing for units.mock
* Add some additional requirements
* Use compileall to test compatiblity with different python versions

Fixes #10945

Add ability to specify using ssh_args in synchronize for v2