pi_grammer_MAIN updates for storefront product

-moved to RA SMT 1x6 header for programming lines to cable, had to re-route a few things, MISO and MOSI have a much better direct route now.
-Enlarged most silk to standard 0.05
-changed text silk on "blank boxes" to more generic use case terms - project name, version, date etc.
-added prod ID to switch IC
-updated copper and sch version number to v22
-added large sparkfun logo to bottom side silk
-removed passive component values silk - this is only used during QC testing hardware assembly (when we build them by hand)

Author: Pete Lewis