generate image creation scripts from tutorial scripts by patching

.gitignore

doc/Makefile

doc/source/images/1-quantum_wire.py

doc/source/images/1-quantum_wire.py.diff

doc/source/images/2-ab_ring.py

doc/source/images/2-ab_ring.py.diff

doc/source/images/2-quantum_well.py

doc/source/images/2-quantum_well.py.diff

doc/source/images/2-spin_orbit.py

doc/source/images/2-spin_orbit.py.diff

doc/source/images/3-band_structure.py

doc/source/images/3-band_structure.py.diff

doc/source/images/3-closed_system.py

doc/source/images/3-closed_system.py.diff

doc/source/images/4-graphene.py

doc/source/images/4-graphene.py.diff

doc/source/images/5-superconductor_band_structure.py

doc/source/images/5-superconductor_band_structure.py.diff

doc/source/images/5-superconductor_transport.py

doc/source/images/5-superconductor_transport.py.diff