adds tests for python 3.6

.travis.yml

@@ -5,36 +5,20 @@ language: python
 python:
   - "2.7"
   - "3.5"
+  - "3.6"
 
 install:
   - TEST_DIR=$PWD
   - pip install --upgrade pip setuptools wheel
   - pip install coveralls
   - pip install nose
   - pip install --only-binary=numpy,scipy,pandas -r requirements.txt
-  # TODO: run as many tests here as possible
-  # then, do the rest of the installs
-  # then, run the rest of the tests
 
 script:
-  # - nosetests tests/api_coverage_tests_classifiers.py
-  # - nosetests tests/api_coverage_tests_regressors.py
-  # - nosetests tests/basic_tests.py
-  # - nosetests tests/calibrate_classifier_tests.py
-  # - nosetests tests/categorical_ensembling_test.py
-  # - nosetests tests/scoring_tests.py
-  # - nosetests tests/test_prediction_intervals.py
-  # - nosetests tests/trained_transformation_pipeline_tests.py
-  # - nosetests tests/uncertainty_tests.py
-  # - nosetests tests/user_logging_tests.py
   - nosetests tests
 
   - pip install lightgbm ; pip install keras ; pip install tensorflow ; pip install catboost ; pip install xgboost
 
   - nosetests advanced_tests
-  # - nosetests tests/advanced_install_tests.py
-  # - nosetests tests/automated_tests.py
-  # - nosetests tests/automated_tests_regressors.py
-  # - nosetests tests/ensemble_tests.py
 
   - coveralls