* Rewrite fb_text API
* Support for multiple font styles (italic, bold, ...)
* Add animation cancel_check callback, which is called from
anim_cancel_for() and if it returns true, animation will
be canceled.
* Temporarily disable landscape theme
* Remove msgbox concept
* Fix background color in emergency screen
* Add black background and help text to pong
* Call last-added touch handlers first
* Always call all touch handlers, but set ev->consumed after
first successful handler
* Fix fb_draw_rect on RGE565
