Create scrdefs.h. (dm)


git-svn-id: svn://mielke.cc/main/brltty@7878 91a5dbb7-01b9-0310-9b5f-b28072856b6e
Move the screen key definitions into scrdefs. (dm)


git-svn-id: svn://mielke.cc/main/brltty@7879 91a5dbb7-01b9-0310-9b5f-b28072856b6e
Fix an include. (dm)


git-svn-id: svn://mielke.cc/main/brltty@7880 91a5dbb7-01b9-0310-9b5f-b28072856b6e
Change blinking text indicators to be async alarm driven. (dm)


git-svn-id: svn://mielke.cc/main/brltty@7881 91a5dbb7-01b9-0310-9b5f-b28072856b6e
Resolve stutterred blinking. (dm)


git-svn-id: svn://mielke.cc/main/brltty@7882 91a5dbb7-01b9-0310-9b5f-b28072856b6e