Changed the structure to become part of the AxonFramework

Package names have changed to org.axonframework.scynapse
Documentation is added to scynapse-core and scynapse test
The XStream serializer supports List and Enum by default
Added a small note that the build is done with SBT
Implement CommandGatewayActor
Command gateway: do not try to send null responses to commands
Add usage examples and scaladoc for scynapse-akka
Allow to pass command metadata to CommandGatewayActor