The default state of a slide is now offscreen (so the enter animation
is loaded correctly).

Signed-off-by: aleister <aleister@develer.com>
allow go to the next slide with the space and to go back pressing esc or back

Signed-off-by: aleister <aleister@develer.com>
added an hook to advance a slide

Signed-off-by: aleister <aleister@develer.com>
fixed the text width

Signed-off-by: aleister <aleister@develer.com>
Added slides & fix LiveDemo focus.

Signed-off-by: aleister <aleister@develer.com>
fix text slide indent.

Signed-off-by: aleister <aleister@develer.com>