Change travis install list to match requirements-dev.txt
Change travis install list to match requirements-dev.txt

It should also be possible to `$TRAVIS_PIP install -r requirements-dev.txt`
spacetelescope/asv,airspeed-velocity/asv,airspeed-velocity/asv,spacetelescope/asv,spacetelescope/asv,airspeed-velocity/asv,airspeed-velocity/asv,spacetelescope/asv