Merge pull request #49 from edx/waheed/PROD-774-upgrade-to-py3

.travis.yml

lti_consumer/exceptions.py

lti_consumer/lti.py

lti_consumer/lti_consumer.py

lti_consumer/oauth.py

lti_consumer/outcomes.py

lti_consumer/tests/unit/test_lti.py

lti_consumer/tests/unit/test_lti_consumer.py

lti_consumer/tests/unit/test_oauth.py

lti_consumer/tests/unit/test_outcomes.py

lti_consumer/tests/unit/test_utils.py

openedx.yaml

requirements.txt

setup.py

test.py

test_requirements.txt