Alpha release

This is a testing release: all the necessary functionality is there, but hasn't been broadly tested.

It was built against the a7c2030cebdd7489621b86284576b47cc7bd6de3 commit in the armrest repository.

If you can, I'd appreciate if you could submit:

Any setup issues or game-breaking bugs.
The ink.log file in your ~/encrusted directory, so we can continue to train the recognizer to support a more diverse range of handwriting.