Fix the mapping of Basic Braille key names to values. (ml)


git-svn-id: svn://mielke.cc/main/brltty@7080 91a5dbb7-01b9-0310-9b5f-b28072856b6e
Document the Basic Braille's High USB Power feature. (ml)


git-svn-id: svn://mielke.cc/main/brltty@7081 91a5dbb7-01b9-0310-9b5f-b28072856b6e
Add the Braille Orientation preference setting. (dm)


git-svn-id: svn://mielke.cc/main/brltty@7082 91a5dbb7-01b9-0310-9b5f-b28072856b6e
Set the braille orientation when the driver starts. (dm)


git-svn-id: svn://mielke.cc/main/brltty@7083 91a5dbb7-01b9-0310-9b5f-b28072856b6e