Made changes to redis and service bus scale out providers.
- Simplified service bus logic
- Moved more common logic to the ScaleoutMessageBus base class.
- Improved logging in message bus and scaleout providers.
Update scaleout to use the binary based message value formats.
- Remove JSON.NET dependency from scaleout providers.
Remove fallback to empty byte array since we never put null buffers in there.
Initial attempt at reconnect logic to redis

- Added connectionFactory overload to redis message bus
- Added reconnect logic to redis bus