Moving 'kit' --> 'autocertkit'.
Adding init file for autocertkit module.
Rename setup script for creating an ISO.
Move test files under autocertkit module.
Moving import to refer to the installed package.w
Renaming utils import.
Removing non-unit tests from utils_tests. Adding test that were in 'unit_tests' and removing that file.
Maintaining unittests to integrate into CI system.

Signed-off-by: Rob Dobson <rob@rdobson.co.uk>
Updating module imports
Updating doc text for Dom0PIFParam test classes.
Updating travis CI file to specify where to look for tests.