Change mocha dot reporter to min reporter to get cleaner outputs in jenkins.
Bootstrap client tests with model management tests.
Change import_frames() to an instance method.
create_models() now gets a tuple of frame keys from import_frames()

Steam test cases can now be run with/without preloading h2o:
With preloading h2o:
python testdir_model_management/test_model_management.py -ccj localhost.json SteamTestCase.test_full

Without preloading h2o:
python testdir_model_management/test_model_management.py -ccj localhost.json SteamTestCase.test_light