Breaking change
* Make `Machine` a first class citizen (794)
A major refactoring and renaming have taken place. Essentially the concept of `Machine` is more prominent.
For the users, the main difference is the paths to models.
For example:
python
from gordo_components.model.models import KerasAutoEncoder
is now
python
from gordo_components.machine.model.models import KerasAutoEncoder