[ctxcomponents] RQLCtxComponent: refactor init_rendering/render_body to ease overriding init_rendering now simply execute the query to get result set to be displayed, and store it in .cw_rset attribute. Links to be displayed by default are now computed in render_body. So you may now simply customise what to be displayed by overriding render_body.

doc/book usr/share/doc/cubicweb-documentation
doc/html usr/share/doc/cubicweb-documentation
debian/cubicweb-doc usr/share/doc-base/cubicweb-doc