New class for filling and running Jupyter Notebooks. * NEWS: Add to list of new functions announce feature. * scripts/miscellaneous/JupyterNotebook.m: New classdef class. * scripts/miscellaneous/module.mk: Add JupyterNotebook to build system. * test/jupyter-notebook/JupyterNotebook.tst, test/jupyter-notebook/octave_kernel.ipynb, test/jupyter-notebook/plot_magic_and_errors.ipynb: New test files. * test/jupyter-notebook/module.mk: Add new test files to build system. * test/module.mk: Add "jupyter-notebook" directory to build system. This is the result of GSoC 2021 by Abdallah Elshamy. Patch pushed by Kai T. Ohlhus.

# line endings in repository match line endings on disc
* -text