download input data
allow ignoring of bigwig files
lots up updates on de-example.ipynb
add heatmap-example.ipynb
README edits
updated prepare-output.sh script, plus processor.py dependency
add extra-requirements.txt
processor clarification
de-example: use semicolons

this avoids cluttering the git commits with "<matplotlib.figure.Figure
at 0x7fcd36f37250>" memory addresses that will change every time
semicolons for heatmap-example.ipynb
rm custom.css
improve prepare-output.sh
run examples
update .gitignore