DummyWindow: add "changeSize" function to fit recent changes in LunaNext


Signed-off-by: Christophe Chapuis <chris.chapuis@gmail.com>
Keyboard focus: introduce first management of some keyboard shortcuts (Home, End, Escape)


Signed-off-by: Christophe Chapuis <chris.chapuis@gmail.com>
CardView: add keyboard support (left & right keys navigation)


Signed-off-by: Christophe Chapuis <chris.chapuis@gmail.com>
Tests: add a debugFocus javascript utility


Signed-off-by: Christophe Chapuis <chris.chapuis@gmail.com>