Moving figures to figures/ directory.
Moving python files to extremefill2D subdirectory.
Movind pdf figures to figures/ subdirectory.
Moving launcher scripy into extremefill2D.
Adding annular.param to extremefill2D.
Removing annular.param
Adding setup.py for extremefill2D package.
Adding __init__.py to make extremefill2D pacakge import.
Merge remote-tracking branch 'origin/cleanup' into cleanup
Updated notebook so that it works with new directory configuration.
Tidying up the README and adding LICENSE and REQUIREMENTS.

Fixes #2.
Fixing internal link in README.md.
Updating README.md
Updating notebook for new directory structure.