Merge pull request #243 from ahmadia/test_refactor

added 1d advection tests and improved check_diff utility
Make Travis CI working again
Use clawpack to install pyclaw
Merge pull request #250 from certik/travis

Make Travis CI working
pruning peanoclaw (this code is not ready for master yet)
Merge pull request #253 from ahmadia/prune_peanoclaw

pruning peanoclaw (this code is not ready for master yet)
Adding LAPACK dependency to Travis builds
Merge pull request #254 from ahmadia/travis_lapack

Adding LAPACK dependency to Travis builds
Merge remote-tracking branch 'upstream/master' into HEAD