Update the module docstring.
Add help text with argparse.
PEP8 and PEP257.
Tweak an error message.
Move argparse parser to under the name=main clause.
Add argparse CLIs to pi_montecarlo.
Remove some unused imports.
Add a cli for benchmark.py.
Make the examples subpackages.
Rename seismic-volume.ipynb -> seismic_volume.ipynb.
Edit seismic README.
Add a note in the README about the notebook.
Edit the text, PEP257 some things, and save output

... in the notebook.
Fix up kernel_setup.py, put next to kernel.pyx
kernel_setup.py -> setup.py
Move distarray/examples out of distarray directory.
Merge branch 'master' into feature/improve-examples
Fix benchmark_julia.
Merge branch 'master' into improve-examples
Fixes context.register to allow registration of compiled funcs.