ocaml: place all type definitions in the Types module
ocaml: place all type definitions in the Types module

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