Update init.d scripts

Remove old wl12xx scripts - might be no longer needed
Add script to increase sd card readahead

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: I111701e8bda5635f06af15c3ac26c343b51d43b8
Cleanup init.sh

Also add a small vibration notifying the user to press the button to enter recovery

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: I6cd18ea6cbb1b14e9db18c9042312617eb50f527
Add simple_remote_appkey keylayout

Also remove atdaemon.kl as it seems to be used nowhere

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>