Re-organised structure to be more python-like.

README.md

experiments/__init__.py

experiments/test_compare_workflows.py

model/__init__.py

model/system/__init__.py

model/system/bug.py

model/system/chunk.py

model/system/developer.py

model/system/feature.py

model/system/software_project.py

model/system/software_system.py

model/system/test.py

model/workflows/__init__.py

model/workflows/test_driven_development.py

model/workflows/waterfall.py

requirements.txt

setup.cfg

setup.py

src/main/python/models/systems/software/__init__.py

src/main/python/models/workflows/__init__.py