fix ERP5Site_reindexAll so that it reindexes everything having getUid and also ERP5 Python Scripts under portal_skins.

and improve test_13_ERP5Site_reindexAll to check if list of paths is exactly same.
Revive test on naming convention
check only if the new catalog does not miss anything, because the original catalog before reindexAll can be imperfect by other tests, that are bad though...
remove ERP5 Python Script reindex code from ERP5Site_reindexAll for now, that does not work in bootstrap.
this commit partially reverts adee3e48be614453ada175be20036d9ed2ab351d.
revert recent changes on ERP5Site_reindexAll that breaks bootstrap in several tests.
fixup: ERP5Site_reindexAll now reindexes everything all tools in portal and all ERP5 Python Scripts under portal_skins.
Revert "Revive test on naming convention"

This reverts commit fccf5f8c29da83cfe6853765ecfdc50181285ba2.

This test is not passing yet, mark it as expected failure, or
wait to commit it... find a way to not show errors, we do not
have regressions here
Fix one part of testUNG that was just working by chance

The same mistake seem to be present in other parts of this test.
fix some other randomness of testUNG
fix random failures of testERP5Credential
New Base_redirect parameter to 'raise Redirect' and deprecate ERP5Site_redirect
Allow "random" module to be imported by restricted python.
Revert "Allow "random" module to be imported by restricted python."

This reverts commit 991a64679d43344c2e6cbb871fbb944ba29e5776.
Module is already allowed without this change.
failed tests should be automatically restarted
OOoParser: Handle empty cells properly

This is a fix for 841b02065366dc003443a3a11a4cbe5022fad30e which started to
return "" for empty cells, whereas it's supposed to return None.
This also fixes the 20 minutes slowdown introduced when parsing a category
spreadsheet, such as in the first page of configurator.
reraise same exception
add a TODO: we could take a screenshot if test times out
Merge remote branch 'origin/master' into functional_test
better display of failed tests