Deprecate older libraries in Travis.
Deprecate older libraries in Travis.

Let's talk about it in #220.

pupil-labs/PyAV,PyAV-Org/PyAV,pupil-labs/PyAV,pupil-labs/PyAV,mikeboers/PyAV,mikeboers/PyAV,pupil-labs/PyAV,PyAV-Org/PyAV