13.1.0 development build 12 released

[forster at ozonline.com.au]

John
I think the problem is that olpc-update does not update the firmware, all updates have been with 2 sources of power, so the lesson is to occasionally do the full reflash (which uses a lot of bandwidth) or manually update the OFW
Tony
 
> More importantly, occasionally boot with two sources of power (battery and DC).
> Q7B01 should have been replaced automatically a number of builds ago.