I have to say that it is really scary when your tokens still havent arrived from the withdrawal after 2 days. I hope this is not an indication of the quality of the service you will provide to your users.
I have the same problem. Support says my funds are safe, it could need several days. Now it is 3 days, still not there. The scary thing is that the "payments" section on the ICO page shows an etherscan link, but etherscan says the transaction hash is not known. So looks like they created a transaction, but didn't send it to the ethereum network, or it got lost somewhere? I asked the support again yesterday, no explanation so far. For this lot of money they got, they should really hire some more support people.
I bought another ERC20 coin from Bittrex (OMG,
https://etherscan.io/token/OmiseGo ), just for testing, and maybe it rises, too, and transfer to my address worked without problems, and I can see it in my MetaMask wallet.
Looks like there was some problem with my transaction, now there is no link anymore in the "actions" column to etherscan, and they added a new message:

Would have been nice to get an answer from the support or in this thread about this and what the problem was, instead of just deleting the transaction link. I hope they can fix it.
Doesn't inspire confidence in the quality of their development team that they can't do a simple withdrawal transaction without problems, which doesn't require anything of their new system, just a well known ERC20 coin transfer which works with no problems from Bittrex for other coins. Imagine you want to buy a coffee later with the system, but it tells you "there is a payment problem, it can take up to 7 days, meanwhile please drink some water before you die of thirst"
