[url rewriting] fix nasty bug in build_rset inner function: the same dictionary is used by all queries, hence triggering potentially important bugs on concurrent requests (this dictionary goes back and forth the repository)

[hooks selection optimization] prune hooks when multiple entities are concerned by a hm.call_hooks() (closes: #1672022) the idea is to make a first pass over all the hooks in the registry and to mark put some of them in a disabled list. The disabled hooks are the one which: * are disabled at the session level * have a match_rtype or an is_instance selector which does not match the rtype / etype of the relations / entities for which we are calling the hooks. This works because the repository calls the hooks grouped by rtype or by etype when using the entities or eids_to_from keyword arguments Only hooks with a simple selector or an AndSelector of simple selectors (is_instance and match_rtype) are considered for disabling.

[repo test] datafeed parser's process method should now take raise_on_error argument

[datafeed] propagate raise_on_error to parser's process method

[http] Make a better __repr__ for Status responce exception. This help debug.

[schema] fix imprecise error message

fix name error introduced in previous changeset

[server test] restore logging level after test end

[web data] fix datadir handling to avoid web test failure introduced somewhere in default branch

remove debug print

[datafeed] extract a generic DataFeedXMLParser from CWEntityXMLParser

backport stable

[entity] fix cw_instantiate w/ reverse_ relation crash when either multiple entities are given or an eid instead of an entity

[cw source ui] fix mapping checking for datafeed source (avoid false positive error, but doesn't check that much things)

[web request] don't define pageid js variable when one is found in form parameters (eg, page ajax call)