Moved tcp_listener and tcp_connection to common.
Merge branch 'next' into tcp_update

Conflicts:
	include/maidsafe/vault_manager/client_interface.h
	src/maidsafe/vault_manager/client_connections.h
	src/maidsafe/vault_manager/client_interface.cc
	src/maidsafe/vault_manager/vault_manager.cc
	src/maidsafe/vault_manager/vault_manager.h
Merge branch 'next' into tcp_update

Conflicts:
	src/maidsafe/vault_manager/config.cc
	src/maidsafe/vault_manager/tcp_connection.cc