initial commit: authors, manifest, readme, ignore
cp setup.py and run_tests.py from tulip

http://www.cds.caltech.edu/tulip
when it was at: 7bb73a9f725572db454a0a5e4957da84bc778f65
mv tulip.polytope here, together with its unit tests

from: http://www.cds.caltech.edu/tulip
at: 7bb73a9f725572db454a0a5e4957da84bc778f65
mv code from tulip.abstract to polytope package

plot_partition, plot_transition_arrow, find_adjacent_regions, Partition, MetricPartition, abstract.prop2partition._save_region_plot

from: http://www.cds.caltech.edu/tulip
at: 3178c570ee1ef06eb8ace033f205f51743ac54c6