Add node link field handlers for project*

Issue Summary

We should add a special field handler for at least project, project_release and project_issue to extend views_handler_field_node_link and provide node operation links. See #348277-16: views handlers for various signup operation links for the basic idea. This would allow us to generate the "Issue links" and "Project links" columns in the table at the top of the My projects page, for example...