Introduce market metadata
Move verify() to OrderRequirements, remove OrderUtils;
merge OR.getAmountScale() to getAmountMinimum()
[metadata] rename OrderReqs to MarketMedatada, add fees;
add impl for Kraken
[anx] implement market metadata
[metadata] extract property keys;
remove limit/market order split;
anx - add maker/taker support;
kraken - add properties file
Introduce ConfigurationManager, WiP
Implement ConfigurationManager, update Kraken and ANX
[ANX] Add maximum trade amount and validation
[BTC-e] metadata
Merge pull request #760 from rafalkrupinski/meta2

Introduce MarketMetadata