Moved messages again.
Further work on messages.
Bugfix for usage of MSVC extension to std::array.
Removed Ping/PingResponse and added Listener class to MessageHandler.
Removed Join/JoinResponse.
WIP
Merge branch 'routing_v2' of github.com:fraser999/MaidSafe-Routing into routing_v2
Added ref to ConnectionManager in VaultNode::RudpListener.
compile fixes
Merge branch 'routing_v2' of github.com:fraser999/MaidSafe-Routing into routing_v2

Conflicts:
	include/maidsafe/routing/vault_node.h