talkatu/talkatu

Add a new TalkatuInput which subclasses TalkatuView and move the GSpell setup to it. Fixes TALKATU-60
Gary Kramlich <grim@reaperworld.com>
Elliott Sales de Andrade <quantum.analyst@gmail.com>
Mike Ruprecht <cmaiku@gmail.com>
Jefferson Carpenter (negatratoron): logo.png