Move the subscription code into a module for cleanliness
Move the subscription code into a module for cleanliness

djs55/message-switch-1,djs55/message-switch-1,xapi-project/message-switch,djs55/message-switch,xapi-project/message-switch,djs55/message-switch,djs55/message-switch-1,xapi-project/message-switch,djs55/message-switch