TST: add tests for config.get_path.
TST: add tests for input_auth.
TST: add basic tests for config.write.
TST: add test for web_auth.
BUG: fix 2.6 support.
TST: add tests for get_auth.
TST: add tests for change_auth.
TST: add tests for authenticate.
BUG: fix exception handling in authenticate when webservice is used.
TST: add tests for subscription level.
BUG: fix mocked_get default path.
REF: don't use class-level variables per review request.
Merge branch 'master' into test_config_v2
Merge pull request #133 from enthought/test_config_v2

Test config v2