add conda-forge to .travis-ci
add conda-forge to .travis-ci


Former-commit-id: 14d4a3c4342338167d959637a7f27cc07dc63867 [formerly 45a601f7d194a482ea2d0f84f2faf9611f65f5b1] [formerly 7baaf6ec4ab87e9566a262be892328212e75a6a9 [formerly 214c9d0ff4389fa6ae41b3a23a984a10194f62c3]]
Former-commit-id: 9a7681b6ebf0cba7dd57d199876ef04e508cf029 [formerly e0fd01c72ad1e61bfddcb4e275d315a02405f232]
Former-commit-id: ba9e87e6544a190e5cc9d58e39c149af2940c027
jason-neal/eniric,jason-neal/eniric