Allow generating messages services in an action folder

[sloretz]

Feature request

Feature description

rosidl_typesupport_opensplice_c and rosidl_typesupport_opensplice_cpp need to allow generating messages and services in an action folder and namespace

Implementation considerations

The service templates would need to change to allow service definitions to live in the .actions folder

rosidl_typesupport_opensplice/rosidl_typesupport_opensplice_c/resource/srv__type_support_c.cpp.em

Lines 25 to 30 in 70ee746

	#include "@(spec.pkg_name)/srv/@(req_header_file_name).h"
	#include "@(spec.pkg_name)/srv/@(res_header_file_name).h"
	#include "@(spec.pkg_name)/srv/dds_opensplice/ccpp_@(spec.srv_name)_Request_.h"
	#include "@(spec.pkg_name)/srv/dds_opensplice/ccpp_@(spec.srv_name)_Response_.h"
	#include "@(spec.pkg_name)/srv/dds_opensplice/ccpp_Sample_@(spec.srv_name)_Request_.h"
	#include "@(spec.pkg_name)/srv/dds_opensplice/ccpp_Sample_@(spec.srv_name)_Response_.h"

rosidl_typesupport_opensplice/rosidl_typesupport_opensplice_cpp/resource/srv__type_support.cpp.em

Lines 29 to 34 in 70ee746

	#include "@(spec.pkg_name)/srv/@(req_header_file_name)__rosidl_typesupport_opensplice_cpp.hpp"
	#include "@(spec.pkg_name)/srv/@(res_header_file_name)__rosidl_typesupport_opensplice_cpp.hpp"
	#include "@(spec.pkg_name)/srv/dds_opensplice/ccpp_@(spec.srv_name)_Request_.h"
	#include "@(spec.pkg_name)/srv/dds_opensplice/ccpp_@(spec.srv_name)_Response_.h"
	#include "@(spec.pkg_name)/srv/dds_opensplice/ccpp_Sample_@(spec.srv_name)_Request_.h"
	#include "@(spec.pkg_name)/srv/dds_opensplice/ccpp_Sample_@(spec.srv_name)_Response_.h"

connects to ros2/rosidl#301