Connect RN-42 more thoroughly; allows for shutdown, status, and high-speed operation

git-svn-id: https://heledd.googlecode.com/svn/trunk@79 76c5b99b-c41f-f9d4-998d-396bb8324e16
PNG rendering of r79

git-svn-id: https://heledd.googlecode.com/svn/trunk@80 76c5b99b-c41f-f9d4-998d-396bb8324e16