Add generic translation engine.
Changed modal emacs to a consistent ergoemacs-mode translation of
unchorded to Alt+.  Return is still a bit buggy.
Allow ergoemacs-modal to access mouse events
Removed alt modal function.  Should be setup in ergoemacs-translate.
Ergoemacs-translation added modal functions and keymaps that people
may customize afterward.
Changed modal toggle.
Changed the lookup function for local keymaps.
Shortcuts updated to poll keymaps
Bug fix for keymap definitions
Add local modal override.
Bug fix for modal, so it doesn't turn off with return.
Update test for unchorded-alt-modal.
Now enter exits the Alt+ modal keymap.
Added back fast repeating commands.