Update Markets Page

[outragedhuman]

New Markets:

Dove Wallet - https://dovewallet.com/
Bitz - https://www.bitz.plus/exchange/ubq_usdt
Adon - https://www.adonexchange.com/

Dead Markets:

ChangeAngel.io
Upbit
Litebit
Catalx
Xchange.me
SimpleSwap
StealthEx
SwapSpace

Still Active:

Bittrex - https://bittrex.com/Market/Index?MarketName=BTC-UBQ

[jyap808]

A PR similar to #17 would be best.

Thanks