add SOJ-4 'small outline j-lead' connector type, used for SMD crystals
remove an extraneous footprint
add SOJ-4 fp, original built for cardinal and ecs crystal tuning forks with smd packages
add comment
add footprint suitable for crystal tuning fork oscillator
fix pins to correct polarity and names for this footprint
add smd led parts that include silk indicators
add attribution line for new footprint