Better fitting dimensions for 0805
Fix for #711 (closed) (reported by @stambaughw Originally the dimensions for 0805 where taken from IPC-SM-782. These measurements seem to no longer fit the range of parts available right now. An arbitrary selection of 15 different parts was used to determina a better fitting footprint. The research can be found under https://docs.google.com/spreadsheets/d/1BsfQQcO9C6DZCsRaXUlFlo91Tg2WpOkGARC1WS5S8t0/edit?usp=sharing
Script change: https://github.com/pointhi/kicad-footprint-generator/pull/125/commits/31e88bac09c6a017f1e8a3aab38ce4a71b6dca80