[cwctl] remove support for startorder file in /etc/cubicweb.d (closes #5618947) It's now useless.

[exceptions] fix string conversion for Unauthorized exception changeset 3cb87b61b067 changed CubicWebException to define __unicode__ as the main entry point for string conversion, but left Unauthorized's __str__ definition unchanged, leading to a mismatch. Closes #10646396.

Fix Binary on python < 2.7.4 (closes #10593811) Before the fix for http://bugs.python.org/issue10211 we can't pass a buffer object to BytesIO, so keep using StringIO in that case. And because StringIO is an old-style class, we can't use super().

[migration] fix crash on 3.22 upgrade if entity type doesn't exist in fsschema (pending removal)

[autoform] when building inlined-form view for a relation, consider related entities intead of other views by considering previous form-views, we may miss that there exists related entities but which are not editable. Closes #10495602

Add a __main__ to cubicweb This avoids calling cubicweb-ctl relatively in tests and could be useful in virtualenv. This is just a copy of bin/cubicweb-ctl file, which should probably be generated from a setuptools entry points.

merge 3.19 heads Getting an unexpected test error though: ERROR: test_edit_mandatory_inlined3_object (unittest_views_basecontrollers.EditControllerTC)

[cwvreg] Fix propertyvalues hot updates When CWProperty instances are touched, the corresponding value gets updated in vreg['propertyvalues'], but their type was ignored.

[pkg] remove useless python >= 3.4 dependency python is python2 is never >= 3.4.

[dataimport/test] fix test failures since 35b29f1eb37a The index name changed, so we need to follow suit.