stop setting sort to false by default on relation field and explain why

cleanup

since unrelated_rql now consider security, we may consider returning relation having local role in some cases

unrelated_rql now return rql *and* args

missing import

unrelated_rql now considers relation's add perm

refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well

[ms] fix planning w/ query using identity

[querier] fix sql generated w/ NOT relation and shared variable: ensure variable's table is in parent select'scope

[cleanup] remove unused imports

add note

fix when Interval is coming from date substraction

remerge

merge

[controllers] allow onsuccess / onfailure callback to be passed to validateform For instance : validateform?__onsuccess=wp.addAndSelectHall will call the addAndSelectHall function on success rather than redirecting to a specific URL.