Added .travis.yml
Only test the built version to ensure that 2to3 gets run
Fixed cPickle -> pickle in test
Use Numpy save format instead of pickle
Removed unused code
Don't test Python 3.3 since h5py is not compatible yet
Simplify generation of coordinate index, and in the process prevent bug with Numpy 1.5
np.unravel_index is buggy pre-Numpy 1.6 so use np.indices instead
Fixed comment in .travis.yml
Fixed naming of temporary directory for testing
Merge pull request #15 from astrofrog/travis

Added .travis.yml