Implement BTCChina FIX API.
Add BTCChina FIX API specification URL.
[Poloniex] Handle new trade response
Merge pull request #712 from zholmes1/develop

[Poloniex] Handle new trade response
Merge pull request #707 from sutra/feature/BTCChina-FIX

Implement BTCChina FIX API.
Added some missing altcoins

Added altcoins still missing for cexio. (Also missing in xchange currencies file, so hardcoded strings for these currencies)
Merge pull request #713 from Achterhoeker/patch-16

Added some missing altcoins
Merge remote-tracking branch 'upstream/develop' into develop