Mention usage of pandas and seaborn (#1193)
Mention usage of pandas and seaborn (#1193)

Update the documentation to mention additional packages used in some python examples.
eth-cscs/nestmc-proto,halfflat/arbor,eth-cscs/nestmc-proto,eth-cscs/nestmc-proto,halfflat/arbor,halfflat/nestmc-proto,halfflat/nestmc-proto,halfflat/nestmc-proto,halfflat/arbor,halfflat/arbor,halfflat/arbor