When a TC failed to initiliase the database, the following test are SKIPPED When a TC failed to initiliase the database, the other test of the same TestCase are skipped with an explicite message instead of failing later for with an unrelated message.

[c-c] new server_maintenance hook, called on c-c shell / upgrade

[appobject] add version number to deprecation warning

update rql dependency

backport stable

fix migration script

[cleanup] useless try except