* ensure hostvars are available on delegation
* also inventory_hostname must point to current host and not delegated one
* fix get_connection since it was still mixing original host vars and delegated ones
* also return connection vars for delegation and non delegation alike
* add test to ensure we have expected usage when directly assigning for non delegated host
All inventory hosts to which a connection is actually established
should declare ansible_python_interpreter to avoid interpreter
auto-discovery, as that may select the wrong interpreter.
* Move var_blending test inventory into test.
* Remove Amazon specific inventory entry for tests.
* Remove Azure specific inventory entry for tests.
* Move var_precedence test inventory into test.
* Move unicode test inventory into test.
* Remove unused inventory entry.
* Move gathering_facts test inventory into test.
* Move delegate_to test inventory into test.
* Clean up inventory for binary_modules test.
* Clean up integration test inventory.