tuna: remove recovery_keys.c

No longer needed because of changes to default_recovery_keys.c

See http://review.cyanogenmod.org/#/c/62724

Change-Id: I7e43ab5b14e47f4839a5072bedf56e4c9a8fab78
tuna: reducir brillo minimo 10 -> 5

Change-Id: Ifb774e8fc3457614986b16dd68af62169123eba2
tuna: dexopt /system apps to /cache

http://review.cyanogenmod.org/56061 set dexopt to /data only
by default.  tuna devices have about 420MB on /cache so let's
continue to use it.

Tested with CM-ROM & PA GApps.

Change-Id: Id8c0f794b347229e3866b86fcfeee909ca7bf0c5
tuna: cmhw: add support for third-party kernel

Color & Gamma can be adjusted now on non-stock kernels.
Tested on maguro with Fancy, Franco & Mpokang kernel.

Change-Id: I398d29456fa15a67c1f4095eaf246ccea9e9f8d3
tuna: Add default value for display color control

Change-Id: I9616d66b8992a3abe360b83d10406c6b88e63de0
tuna: Establecer 1350MHz por defecto

Change-Id: Ia18da123f6a96d4f1970a60ee62216b1b2f47a12
Revert "tuna: Establecer 1350MHz por defecto"

Intentando evitar problemas futuros

This reverts commit c04fca59447ad3fc90452b0790df541fbc1b5a93.