Also fixes field validation for unspecified metric data

Refactors simulator based fixtures in conftest and embeds MC config state into simulation boot sequence

Also removes superfluous file state & API state tests

Restructure pytest package to use correct module names and provide setup.py to build a python package distribution, needed to more effectively reuse tests in the platform project build/test process

* Creates an measurement table called mediaComponentConfig
* Simulates 'stopped' and 'running' states for Apache endpoints in simulator
* Creates a pytest case in which configuration state changes are queried