modified .gitignore so that data directory will be created in
repository.
script to automate download of ca data
	modified:   .gitignore
	new file:   compileddata/.gitkeep
	new file:   datacompiler.py
	new file:   ed-data-compile.py
	new file:   notebooks/Untitled0.ipynb
	new file:   notebooks/Untitled1.ipynb
	modified:   requirements.txt