[migtration] fix migration script for 'dont cross' relations

backport stable

[dataimport] implement create_entity() on ObjectStore to provide a consistent interface (+fix typo s/attribute_edited/edited_attributed/)

[dataimport] make it possible to insert 'empty' (i.e. no-attrs) entities In such cases (e.g. ternary relations), generated RQL must be 'INSERT MyEntityType' instead of 'INSERT MyEntityType:'

[hooks] do not break if no entity created or updated during feed update

[ajax box] fix ajaxBoxShowSelector w/ mono-valued fields + minor cleanups

[ldap test] use get_available_port from cw.devtools.httptest

[test] generate slapd.conf to be cwd independant

[ldap test] use get_available_port from cw.devtools.httptest

[test] generate slapd.conf to be cwd independant

backport stable

[test] missing future import

backport stable

[testlib] take care, validator may be None

[testlib] extract get_validator method from _check_html, move assertDocTestFile

[testlib] new method on page info object to ensure some tag with arbitrary attributes is found

[packaging, test] include ldap test files in sdist

[test] python 2.5 specifix

add a note

[manage view] get etypes first to avoid xhtml validation error if no one found

[datafeed] return empty dict when source is fresh avoid crash in the looping task because None returned

[manage view] fix skipping of startup views

[parser host mapping] take care to cases where apphome is None (c-c i18ncube command for instance)

backport stable

[test] update cwxml tests: computed cwuri have changed, and parser.parse isn't anymore a static method

[testlib] by default skip new 'manage' action's category

[manage view] filter before displaying anything avoid xhtml errors

[test] update cwuri test

[test] test extracted from unittest_hooks + new test for unique constraint check

[datafeed] introduce a host mapping so dev instance may transparently redirect request to another host than the actual's one