[DEVELOPMENT] Switchable recovery

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As you probably already know, the recovery on our devices is a part of the boot partition, which means it's bundled with the kernel. This is not really bad, but something can be done about it. In this thread we can try to make the recovery separate from the kernel.

PLEASE, DON'T POST ANYTHING UNRELATED. IT'S A DEVELOPMENT THREAD, ALL THE PROGRESS WILL BE TRACKED IN OP.

Everything is done, waiting for ICS to drop and then it'll be used in AOKP. The recovery is on /data/local/recovery.img or /system/recovery.img, the /data one takes precedence.