Kernel: Properly keep track of mutex lock data in the guest memory. This fixes userland locking/unlocking.

* CoreTiming: New CoreTiming; Add Test for CoreTiming

IPC: Make DuplicateSession return the Domain instead of the Session if the request was made on a Domain interface.

They should have 32 bits of padding after the error code now.

Popping objects from the buffer is still not implemented.

Service code now doesn't have to deal with this.

IPC: Use the correct size when pushing raw data to the command buffer and fixed pushing domain objects.

Domain object ids are always stored immediately after the raw data.