Message to indicate mesh install

src/freedombone-client

 configure_ssh_client
 configure_monkeysphere
 if [[ $MESH_CLIENT_INSTALL == $'yes' || $MESH_CLIENT_INSTALL == $'y' || $MESH_CLIENT_INSTALL == $'on' ]]; then
+	echo $'Installing mesh packages'
 	${PROJECT_NAME}-mesh-install batman_client
 	${PROJECT_NAME}-mesh-install babel_client
 fi