Revert "new bootanimation (2/2)"

This reverts commit f966a3b335e53550a78d7a6584de052a303e9fb4.
Revert "Improve BootAnimation"

This reverts commit d8950f9c14e0ebbed3e71fb928062a1c799b67ed.
add recent apps action to navbar buttons (2/2)

This will add the option to open the recent application dialog.
This is the dialog that will show when doing <Alt><Tab> with
a bluetooth keyboard.

Change-Id: If396c4b440d9b0a6a69cec22d81d418c7ea8ce3d
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>