Change Log, 15th, October

Major changes:：

1. New feature: Group the orders by decimals
2. New feature: Mail notifications of deposit and withdrawal
3. Added fiat prices to ETH and USDT market
4. Implemented Russian language

Minor changes:

1. Added links of the Whitepaper, “Add new tokens” and “Leave us a message” on the bottom of the website
2. Updated Ethereum client to v1.7.2