Merge branch 'bepi' into 'master'

.gitignore

IntroductionToPython/01_JupyterNotebook.ipynb

IntroductionToPython/02_NumPy.ipynb

IntroductionToPython/03_Matplotlib.ipynb

IntroductionToPython/04_Debug.ipynb

IntroductionToPython/images/cell-type-menu.png

IntroductionToPython/images/code-cell-run.png

...ductionToPython/images/command-mode-markdown-rendered.png

...ctionToPython/images/command-mode-markdown-unrendered.png

IntroductionToPython/images/command-mode-outline.png

IntroductionToPython/images/edit-mode-markdown.png

IntroductionToPython/images/edit-mode-outline.png

IntroductionToPython/images/latex-basic-equation.png

IntroductionToPython/images/restart-kernel-button.png

Reconstruction/01_FBP.ipynb

Reconstruction/02_Load.ipynb

Reconstruction/03_RealReconstructionChalk.ipynb

Reconstruction/04_IterativeReconstruction.ipynb

Reconstruction/04_TterativeReconstruction.ipynb

Reconstruction/05_FanBeam.ipynb