documentation: (fixes #95) Prevent overflow of tutorial table
Updates conf.py to newer syntax (version 1.6 or later). Adjust fonts and table column widths to prevent overflow in latexpdf. Resolves issue #95 (closed).
Updates conf.py to newer syntax (version 1.6 or later). Adjust fonts and table column widths to prevent overflow in latexpdf. Resolves issue #95 (closed).