Added 'SubscriptionManager.RemoveSubscriptionOnReject' to handle MarketDataReject messages received when Gateway is unavailable.

The issue with writing messages to FIX persist log when the file size is greater than 2GB has been fixed.

Added Transport configuration parameter "ForwardFIXHeartbeatMessages" to forward FIX Heartbeat messages downstream.

FIX adapter requires invalid dependencies on Linux. The issue with invalid dependencies for Fix Transport on Linux has been fixed.