[web test] fix authentication test: session cookie should now be computed by the session handler (changed in cw 3.10.6)

[unittest2] update to unittest2 assertRaises api

[server test] fix test inter-dependancy issue

[multi-sources] fix planning of crossed relation w/ some complex queries see ticket #59168 on our extranet for an example symptom.

[idownloadable] oneline view display entity's default title instead of file name, while download box display file name

[deprecation] fix bad warning on entity.querier_pending_relations

[web session] refactor to finally closes #343036: allow _postlogin behaviour overloading

[schema migration] add a test to ensure default value are considered

[schema hook] don't depends on lgc.testlib, hence unittest2 for a dumb mock

[bfss storage] Improve fspath() error message. This changeset improve the error message of fspath when the argument is not managed by a BytesFileSystem storage.

[json controler] extraargs in js_component contains unicode keys which may not be given as argument names

[footer template] refactor to ease addition of some content into the footer