Add the log categories SERIAL_IO and BLUETOOTH_IO. (dm)


git-svn-id: svn://mielke.cc/main/brltty@8210 91a5dbb7-01b9-0310-9b5f-b28072856b6e
Move some Bluetooth logs into the BLUETOOTH_IO log category. (dm)


git-svn-id: svn://mielke.cc/main/brltty@8211 91a5dbb7-01b9-0310-9b5f-b28072856b6e