Start BRLTTY as early as possible when using systemd. (dm)


git-svn-id: svn://mielke.cc/main/brltty@7078 91a5dbb7-01b9-0310-9b5f-b28072856b6e
Remove brltty's -E option from its systemd service unit. (dm)


git-svn-id: svn://mielke.cc/main/brltty@7079 91a5dbb7-01b9-0310-9b5f-b28072856b6e