Update pcbtool to show total number of pins/pads

pcbtool info <board_identifier> -v VARIANT will now report the total
number of through-hole vs smd devices as well as the total number of
surface mount pads and through hole pins for easy board quoting.
Remove debug print statement
Remove debug print
Merge pull request #62 from timburke/pr-pcbtool-update

Have pcbtool return smd pin and pad counts for assembly