Throw errors when the test database cannot be accessed/created
EZP-22814: Fix tests database automatic creation
ezpTestDatabaseHelper::create() is designed to create the tests database.
But the way to connect to the db when checking for tests db existence is wrong.
We must not try to select the database name provided in the dsn, because if it does not exist, the eZDB instance won't be valid and the check for existence will fail.
Fix dsn argument documentation example
Fix EZP-23322: validate if required object relation list is empty
EZP-23338: Handled asyncpub redirect from preview

The operation's result wasn't checked, always triggering
the default behaviour.
REST siteaccess can be set via X-Siteaccess header
Merge pull request #1068 from joaoinacio/EZP_23322_objectrelationlist_required

Fix EZP-23322: validate if required object relation list is empty
Merge branch 'EZP-23277-rest_siteaccess'
Merge branch 'EZP-23338-asyncpub_redirect_from_preview'
Revert "Fixed bug #017219: Policy "section/assign" does not uphold subtree limitation"

This reverts commit cef569909821cbf393620244ba48a14328b88c53.
Fix EZP-23341: incorrect subtree limitation check in section/assign
Merge pull request #1071 from joaoinacio/EZP-23341_section_assign_subtree

Fix EZP-23341: incorrect subtree limitation check in section/assign
Fix EZP-23348: Misleading error message on deleted embed objects
Merge pull request #1076 from ezsystems/ezp-23348_deleted_embed_error_message

Fix EZP-23348: Misleading error message on deleted embed objects
fix EZP-23312: asynchronous publisher: old processes are filling up the database
Merge pull request #1067 from pbras/ezp23312-async-processes

fix EZP-23312: asynchronous publisher: old processes are filling up the ...
Fix EZP-23255: Show correct error on createObject

Closes #1056
Fix EZP-23310: Preview causes content cache to be purged and deadlocks
Fix EZP-23312: Async pub: old processes are filling up the database
Replaced command line arguments by ini configuration.
Merge pull request #1078 from ezsystems/ezp-23310_preview_deadlocks

Fix EZP-23310: Preview causes content cache to be purged and deadlocks