pytraj.txt: pytraj license (BSD)
cpptraj.txt: cpptraj license (GPL)

externals: licenses for external libs we used
    + six.txt: six.py (BSD)
    + magic.txt: magic package (MIT)
    + pandas.txt: pandas package ("new" BSD)
    + dask.txt: dask package (new BSD): used in ../pytraj/datasets/DataSet_1D.pyx
    + toolz.txt: toolz package (BSD): copy/adapt several functions
    + mdtraj.txt: BSD-2 for adapting setup process.
