indicator.ino: Rename to `ino/indicator.ino'
Add termios Guile module.  Add GNU Autotools files.

* termios/: Add to the repository.
* Makefile.am, configure.ac: Likewise.
* am/Makefile.am, am/guilec, am/snarf: Likewise.
* build-aux/Makefile.am: Likewise.
* m4/guile.m4, m4/lib-link.m4: Likewise.
* AUTHORS, COPYING, ChangeLog, INSTALL, NEWS, README: Likewise.