Updates to the German contraction table. (ml)


git-svn-id: svn://mielke.cc/main/brltty@7074 91a5dbb7-01b9-0310-9b5f-b28072856b6e
Add support for the Braille Sense U2. (ml)


git-svn-id: svn://mielke.cc/main/brltty@7075 91a5dbb7-01b9-0310-9b5f-b28072856b6e