A permanent ban means that you are permanently banned and not allowed to come back, ever.
that really is a pity cuz:
I gave him one bitcoin directly for him to implement AT on NXT, and I was never refunded.
I was given some BTC (around 3 BTC from memory) and at the time I did offer anyone who had done so a refund but no-one asked for one (and in fact I received a few PMs saying that no refund was required).
Although I think you are rather late to come forward about this if you provide the txid (which should be one that was sent to the address in my signature) and then proof of your address ownership (i.e. a signed message that contains the current date) then I'll happily refund you the amount.
It should be noted that the vast majority of funding for AT on Nxt was in the form of NXT and when I left I sent all of the NXT I had (which included amounts that had nothing to do with AT) back to the NxtAT Asset.
Although I think this is rather off-topic it should also be noted that Burst is technically a clone of Nxt and AT has been running on Burst for quite a long time now (so if the Nxt devs actually wanted to use AT they have been able to do so for a long time).
This is 2Kool4Skewl. I gave you one bitcoin when you started working on AT for NXT. I deleted the wallet I used for the transfer a long time ago, and chalked up the loss to a lesson learned. I'm not sure of the full details as to why AT was never implemented on NXT. Whether that was your fault, the NXT devs, or some combined form of both, I don't know. If you're still willing to refund me, I'll take it. Let me know, and I'll send you a bitcoin address to receive it.
2Kool4Skewl was banned from Bitcointalk before and now posts as DecentralizedEconomics