fixed a problem with keyboard handler (see number keys in source)...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
major refactoring of ui/lob/keyboard.js, needs more testing...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
some cleanup...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>