[btc-e] trade service, check for errors that don't require throwing exceptions
Removed password from Bitstamp demo

Unnecessary
Fixed Bittrex user transaction limit price

Was using "Limit," now using "PricePerUnit" (average execution price) if
non-null.
Reduce Bitstamp user transaction limit

They used to allow MAX_VALUE, but now the limit is 1000.
Merge pull request #795 from zholmes1/develop

User transaction changes
Merge pull request #794 from rafalkrupinski/btce-errors

[btc-e] trade service, check for errors that don't require throwing exce...
[Bleutrade] Make BleutradeMarket DTO's accessible via 'raw' API
Merge pull request #797 from nimrood/develop

[Bleutrade] Make BleutradeMarket DTO's accessible via 'raw' API