Do not use sudo in Travis CI.
Do not use sudo in Travis CI.

This should enable a new build environment which hopefully makes tests run much faster. We shouldn't need sudo for testing.

jmwenda/feedbunch,amatriain/feedbunch,amatriain/feedbunch,jmwenda/feedbunch,amatriain/feedbunch,amatriain/feedbunch,jmwenda/feedbunch