Make the _couch package just a module
Move all tests directly to 'test/'

After the split, this repository does not contain any pymad/jpymad tests
anymore, so the nested folder layout becomes obsolete.
Update test script locations for Travis
Merge pull request #74 from coldfix/move-tests

Move all tests directly to 'test/'
Merge pull request #72 from coldfix/couch_module

Make the _couch package just a module