Merge branch 'master' of https://git.fmrib.ox.ac.uk/fsl/pytreat-practicals-2020 into saad-edits

advanced_topics/08_fslpy.md

getting_started/01_basics.ipynb

getting_started/01_basics.md

getting_started/02_text_io.ipynb

getting_started/02_text_io.md

getting_started/03_file_management.ipynb

getting_started/03_file_management.md

getting_started/04_numpy.ipynb

getting_started/04_numpy.md

getting_started/05_nifti.ipynb

getting_started/05_nifti.md

getting_started/06_plotting.ipynb

getting_started/06_plotting.md

getting_started/07_jupyter.ipynb

getting_started/07_jupyter.md

getting_started/08_scripts.ipynb

getting_started/08_scripts.md

getting_started/09_pandas.ipynb

getting_started/09_pandas.md

talks/matlab_vs_python/bloch/bloch.ipynb