Attempt to do both coveralls and Python tests on Travis-CI using matrix.
Attempt to do both coveralls and Python tests on Travis-CI using matrix.

JoaoRodrigues/freesasa,JoaoRodrigues/freesasa,mittinatten/freesasa,mittinatten/freesasa,JoaoRodrigues/freesasa,mittinatten/freesasa,mittinatten/freesasa,JoaoRodrigues/freesasa