SirSmokes: The "Cryptsy Cold Wallet" is all the funds on Bittrex, it's mislabelled. At least one of the smaller wallets you mentioned though belong to the recipient of the Cryptsy auction; IIRC the 'auctioneer' did send them the ~15,000 coins in a single transaction.

In regards to a catalyst of adoption, you're right that it isn't a single catalyst like that. When people saw the rise to $1,300 & crash to $200 it was easy to be cynical about bitcoin, they didn't see the other exponentially smaller previous bubbles on the logarithmic chart. Slow adoption by word-of-mouth & accumulation by enthusiasts caused the price to rise, which got the attention of those cynics, "Oh shit, bitcoin's back & bigger than ever!" Coinbase is registering thousands of new accounts every day, LocalBitcoins volume has been surging worldwide. Everyone from Indian politicians with bribe money to uncles on Facebook are asking how to buy. In short, the price is validating bitcoin in the eyes of the public, & there are now many more services to accommodate them than there were in 2013.