* 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
* Initial system test for TPM 1.2 emulator.
* Update .travis.yml file.
* Added system test: test_20_tpm_1_2_initial_provision
* Cleaned up files.
* Correct docker location
* Re-arranged system tests.
* Execute test_12_attestation_ca_portal_online for all current collectors.
* Clean up files.
* Cleaned up files.
* Cleaned up files.
* Cleaned up files.
* Cleaned up files
* Updated system test driver.
* Set logging properties to DEBUG.
* Commented out test_13_tpm_1_2_initial_provision. Need to fix it.
