* Updated docker images to use python3
* Updated docker compose files.
* Test Travis CI
* Test Travis CI
* Updated Dockerfiles.
* Updated .travis.yml
* Cleaned up scripts.
* Cleaned up scripts.
* Updated docker-compose files.
* Updated amazonlinux2 image with python3.
* Updated system test driver.
* Updated system test driver
* Cleaned up import in test driver.
* Updated setup scripts to output python version
The TPM 2 Provisioner gets packaged with an application called
tpm_version, which reported hard-coded values for the TPM
manufacturer and version. Now it collects those things from
the TPM and reports them.
